21297276

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:241

約数の個数: 192

約数和(自身を含む): 74511360

約数和(自身を除く): 53214084

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 13, 14, 18, 21, 22, 26, 27, 28, 33, 36, 39, 42, 44, 52, 54, 63, 66, 77, 78, 84, 91, 99, 108, 117, 126, 132, 143, 154, 156, 182, 189, 197, 198, 231, 234, 252, 273, 286, 297, 308, 351, 364, 378, 394, 396, 429, 462, 468, 546, 572, 591, 594, 693, 702, 756, 788, 819, 858, 924, 1001, 1092, 1182, 1188, 1287, 1379, 1386, 1404, 1638, 1716, 1773, 2002, 2079, 2167, 2364, 2457, 2561, 2574, 2758, 2772, 3003, 3276, 3546, 3861, 4004, 4137, 4158, 4334, 4914, 5122, 5148, 5319, 5516, 6006, 6501, 7092, 7683, 7722, 8274, 8316, 8668, 9009, 9828, 10244, 10638, 12012, 12411, 13002, 15169, 15366, 15444, 16548, 17927, 18018, 19503, 21276, 23049, 24822, 26004, 27027, 28171, 30338, 30732, 35854, 36036, 37233, 39006, 45507, 46098, 49644, 53781, 54054, 56342, 58509, 60676, 69147, 71708, 74466, 78012, 84513, 91014, 92196, 107562, 108108, 112684, 117018, 136521, 138294, 148932, 161343, 169026, 182028, 197197, 215124, 234036, 253539, 273042, 276588, 322686, 338052, 394394, 409563, 484029, 507078, 546084, 591591, 645372, 760617, 788788, 819126, 968058, 1014156, 1183182, 1521234, 1638252, 1774773, 1936116, 2366364, 3042468, 3549546, 5324319, 7099092, 10648638, 21297276]

約数ペア:

[(1, 21297276), (2, 10648638), (3, 7099092), (4, 5324319), (6, 3549546), (7, 3042468), (9, 2366364), (11, 1936116), (12, 1774773), (13, 1638252), (14, 1521234), (18, 1183182), (21, 1014156), (22, 968058), (26, 819126), (27, 788788), (28, 760617), (33, 645372), (36, 591591), (39, 546084), (42, 507078), (44, 484029), (52, 409563), (54, 394394), (63, 338052), (66, 322686), (77, 276588), (78, 273042), (84, 253539), (91, 234036), (99, 215124), (108, 197197), (117, 182028), (126, 169026), (132, 161343), (143, 148932), (154, 138294), (156, 136521), (182, 117018), (189, 112684), (197, 108108), (198, 107562), (231, 92196), (234, 91014), (252, 84513), (273, 78012), (286, 74466), (297, 71708), (308, 69147), (351, 60676), (364, 58509), (378, 56342), (394, 54054), (396, 53781), (429, 49644), (462, 46098), (468, 45507), (546, 39006), (572, 37233), (591, 36036), (594, 35854), (693, 30732), (702, 30338), (756, 28171), (788, 27027), (819, 26004), (858, 24822), (924, 23049), (1001, 21276), (1092, 19503), (1182, 18018), (1188, 17927), (1287, 16548), (1379, 15444), (1386, 15366), (1404, 15169), (1638, 13002), (1716, 12411), (1773, 12012), (2002, 10638), (2079, 10244), (2167, 9828), (2364, 9009), (2457, 8668), (2561, 8316), (2574, 8274), (2758, 7722), (2772, 7683), (3003, 7092), (3276, 6501), (3546, 6006), (3861, 5516), (4004, 5319), (4137, 5148), (4158, 5122), (4334, 4914)]