21695670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:306

約数の個数: 96

約数和(自身を含む): 60383232

約数和(自身を除く): 38687562

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 47, 69, 90, 94, 115, 138, 141, 207, 223, 230, 235, 282, 345, 414, 423, 446, 470, 669, 690, 705, 846, 1035, 1081, 1115, 1338, 1410, 2007, 2070, 2115, 2162, 2230, 3243, 3345, 4014, 4230, 5129, 5405, 6486, 6690, 9729, 10035, 10258, 10481, 10810, 15387, 16215, 19458, 20070, 20962, 25645, 30774, 31443, 32430, 46161, 48645, 51290, 52405, 62886, 76935, 92322, 94329, 97290, 104810, 153870, 157215, 188658, 230805, 241063, 314430, 461610, 471645, 482126, 723189, 943290, 1205315, 1446378, 2169567, 2410630, 3615945, 4339134, 7231890, 10847835, 21695670]

約数ペア:

[(1, 21695670), (2, 10847835), (3, 7231890), (5, 4339134), (6, 3615945), (9, 2410630), (10, 2169567), (15, 1446378), (18, 1205315), (23, 943290), (30, 723189), (45, 482126), (46, 471645), (47, 461610), (69, 314430), (90, 241063), (94, 230805), (115, 188658), (138, 157215), (141, 153870), (207, 104810), (223, 97290), (230, 94329), (235, 92322), (282, 76935), (345, 62886), (414, 52405), (423, 51290), (446, 48645), (470, 46161), (669, 32430), (690, 31443), (705, 30774), (846, 25645), (1035, 20962), (1081, 20070), (1115, 19458), (1338, 16215), (1410, 15387), (2007, 10810), (2070, 10481), (2115, 10258), (2162, 10035), (2230, 9729), (3243, 6690), (3345, 6486), (4014, 5405), (4230, 5129)]