21332430

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{11287}}^1$

素因数の和:11310

約数の個数: 64

約数和(自身を含む): 65018880

約数和(自身を除く): 43686450

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 11287, 22574, 33861, 56435, 67722, 79009, 101583, 112870, 158018, 169305, 203166, 237027, 304749, 338610, 395045, 474054, 507915, 609498, 711081, 790090, 1015830, 1185135, 1422162, 1523745, 2133243, 2370270, 3047490, 3555405, 4266486, 7110810, 10666215, 21332430]

約数ペア:

[(1, 21332430), (2, 10666215), (3, 7110810), (5, 4266486), (6, 3555405), (7, 3047490), (9, 2370270), (10, 2133243), (14, 1523745), (15, 1422162), (18, 1185135), (21, 1015830), (27, 790090), (30, 711081), (35, 609498), (42, 507915), (45, 474054), (54, 395045), (63, 338610), (70, 304749), (90, 237027), (105, 203166), (126, 169305), (135, 158018), (189, 112870), (210, 101583), (270, 79009), (315, 67722), (378, 56435), (630, 33861), (945, 22574), (1890, 11287)]