21278577864

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^2$

素因数の和:332

約数の個数: 192

約数和(自身を含む): 57214301760

約数和(自身を除く): 35935723896

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 43, 73, 82, 83, 86, 123, 129, 146, 164, 166, 172, 219, 246, 249, 258, 292, 328, 332, 344, 438, 492, 498, 516, 584, 664, 876, 984, 996, 1032, 1752, 1763, 1992, 2993, 3139, 3403, 3526, 3569, 5289, 5986, 6059, 6278, 6806, 6889, 7052, 7138, 8979, 9417, 10209, 10578, 10707, 11972, 12118, 12556, 13612, 13778, 14104, 14276, 17958, 18177, 18834, 20418, 20667, 21156, 21414, 23944, 24236, 25112, 27224, 27556, 28552, 35916, 36354, 37668, 40836, 41334, 42312, 42828, 48472, 55112, 71832, 72708, 75336, 81672, 82668, 85656, 128699, 145416, 146329, 165336, 248419, 257398, 260537, 282449, 292658, 296227, 386097, 438987, 496838, 502897, 514796, 521074, 564898, 585316, 592454, 745257, 772194, 781611, 847347, 877974, 888681, 993676, 1005794, 1029592, 1042148, 1129796, 1170632, 1184908, 1490514, 1508691, 1544388, 1563222, 1694694, 1755948, 1777362, 1987352, 2011588, 2084296, 2259592, 2369816, 2981028, 3017382, 3088776, 3126444, 3389388, 3511896, 3554724, 4023176, 5962056, 6034764, 6252888, 6778776, 7109448, 10682017, 12069528, 12145307, 20618777, 21364034, 21624571, 24290614, 32046051, 36435921, 41237554, 42728068, 43249142, 48581228, 61856331, 64092102, 64873713, 72871842, 82475108, 85456136, 86498284, 97162456, 123712662, 128184204, 129747426, 145743684, 164950216, 172996568, 247425324, 256368408, 259494852, 291487368, 494850648, 518989704, 886607411, 1773214822, 2659822233, 3546429644, 5319644466, 7092859288, 10639288932, 21278577864]

約数ペア:

[(1, 21278577864), (2, 10639288932), (3, 7092859288), (4, 5319644466), (6, 3546429644), (8, 2659822233), (12, 1773214822), (24, 886607411), (41, 518989704), (43, 494850648), (73, 291487368), (82, 259494852), (83, 256368408), (86, 247425324), (123, 172996568), (129, 164950216), (146, 145743684), (164, 129747426), (166, 128184204), (172, 123712662), (219, 97162456), (246, 86498284), (249, 85456136), (258, 82475108), (292, 72871842), (328, 64873713), (332, 64092102), (344, 61856331), (438, 48581228), (492, 43249142), (498, 42728068), (516, 41237554), (584, 36435921), (664, 32046051), (876, 24290614), (984, 21624571), (996, 21364034), (1032, 20618777), (1752, 12145307), (1763, 12069528), (1992, 10682017), (2993, 7109448), (3139, 6778776), (3403, 6252888), (3526, 6034764), (3569, 5962056), (5289, 4023176), (5986, 3554724), (6059, 3511896), (6278, 3389388), (6806, 3126444), (6889, 3088776), (7052, 3017382), (7138, 2981028), (8979, 2369816), (9417, 2259592), (10209, 2084296), (10578, 2011588), (10707, 1987352), (11972, 1777362), (12118, 1755948), (12556, 1694694), (13612, 1563222), (13778, 1544388), (14104, 1508691), (14276, 1490514), (17958, 1184908), (18177, 1170632), (18834, 1129796), (20418, 1042148), (20667, 1029592), (21156, 1005794), (21414, 993676), (23944, 888681), (24236, 877974), (25112, 847347), (27224, 781611), (27556, 772194), (28552, 745257), (35916, 592454), (36354, 585316), (37668, 564898), (40836, 521074), (41334, 514796), (42312, 502897), (42828, 496838), (48472, 438987), (55112, 386097), (71832, 296227), (72708, 292658), (75336, 282449), (81672, 260537), (82668, 257398), (85656, 248419), (128699, 165336), (145416, 146329)]