21072506364

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{105449}}^1$

素因数の和:105540

約数の個数: 144

約数和(自身を含む): 66634276800

約数和(自身を除く): 45561770436

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 61, 63, 78, 84, 91, 117, 122, 126, 156, 182, 183, 234, 244, 252, 273, 364, 366, 427, 468, 546, 549, 732, 793, 819, 854, 1092, 1098, 1281, 1586, 1638, 1708, 2196, 2379, 2562, 3172, 3276, 3843, 4758, 5124, 5551, 7137, 7686, 9516, 11102, 14274, 15372, 16653, 22204, 28548, 33306, 49959, 66612, 99918, 105449, 199836, 210898, 316347, 421796, 632694, 738143, 949041, 1265388, 1370837, 1476286, 1898082, 2214429, 2741674, 2952572, 3796164, 4112511, 4428858, 5483348, 6432389, 6643287, 8225022, 8857716, 9595859, 12337533, 12864778, 13286574, 16450044, 19191718, 19297167, 24675066, 25729556, 26573148, 28787577, 38383436, 38594334, 45026723, 49350132, 57575154, 57891501, 77188668, 83621057, 86362731, 90053446, 115150308, 115783002, 135080169, 167242114, 172725462, 180106892, 231566004, 250863171, 270160338, 334484228, 345450924, 405240507, 501726342, 540320676, 585347399, 752589513, 810481014, 1003452684, 1170694798, 1505179026, 1620962028, 1756042197, 2341389596, 3010358052, 3512084394, 5268126591, 7024168788, 10536253182, 21072506364]

約数ペア:

[(1, 21072506364), (2, 10536253182), (3, 7024168788), (4, 5268126591), (6, 3512084394), (7, 3010358052), (9, 2341389596), (12, 1756042197), (13, 1620962028), (14, 1505179026), (18, 1170694798), (21, 1003452684), (26, 810481014), (28, 752589513), (36, 585347399), (39, 540320676), (42, 501726342), (52, 405240507), (61, 345450924), (63, 334484228), (78, 270160338), (84, 250863171), (91, 231566004), (117, 180106892), (122, 172725462), (126, 167242114), (156, 135080169), (182, 115783002), (183, 115150308), (234, 90053446), (244, 86362731), (252, 83621057), (273, 77188668), (364, 57891501), (366, 57575154), (427, 49350132), (468, 45026723), (546, 38594334), (549, 38383436), (732, 28787577), (793, 26573148), (819, 25729556), (854, 24675066), (1092, 19297167), (1098, 19191718), (1281, 16450044), (1586, 13286574), (1638, 12864778), (1708, 12337533), (2196, 9595859), (2379, 8857716), (2562, 8225022), (3172, 6643287), (3276, 6432389), (3843, 5483348), (4758, 4428858), (5124, 4112511), (5551, 3796164), (7137, 2952572), (7686, 2741674), (9516, 2214429), (11102, 1898082), (14274, 1476286), (15372, 1370837), (16653, 1265388), (22204, 949041), (28548, 738143), (33306, 632694), (49959, 421796), (66612, 316347), (99918, 210898), (105449, 199836)]