21000837786

素因数分解:

$2^1\times 3^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1\times {\mathrm{2377}}^1$

素因数の和:2735

約数の個数: 64

約数和(自身を含む): 43175196288

約数和(自身を除く): 22174358502

約数列:

[1, 2, 3, 6, 83, 113, 157, 166, 226, 249, 314, 339, 471, 498, 678, 942, 2377, 4754, 7131, 9379, 13031, 14262, 17741, 18758, 26062, 28137, 35482, 39093, 53223, 56274, 78186, 106446, 197291, 268601, 373189, 394582, 537202, 591873, 746378, 805803, 1119567, 1183746, 1472503, 1611606, 2239134, 2945006, 4417509, 8835018, 22293883, 30974687, 42170357, 44587766, 61949374, 66881649, 84340714, 92924061, 126511071, 133763298, 185848122, 253022142, 3500139631, 7000279262, 10500418893, 21000837786]

約数ペア:

[(1, 21000837786), (2, 10500418893), (3, 7000279262), (6, 3500139631), (83, 253022142), (113, 185848122), (157, 133763298), (166, 126511071), (226, 92924061), (249, 84340714), (314, 66881649), (339, 61949374), (471, 44587766), (498, 42170357), (678, 30974687), (942, 22293883), (2377, 8835018), (4754, 4417509), (7131, 2945006), (9379, 2239134), (13031, 1611606), (14262, 1472503), (17741, 1183746), (18758, 1119567), (26062, 805803), (28137, 746378), (35482, 591873), (39093, 537202), (53223, 394582), (56274, 373189), (78186, 268601), (106446, 197291)]