21102390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{78157}}^1$

素因数の和:78173

約数の個数: 32

約数和(自身を含む): 56273760

約数和(自身を除く): 35171370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 78157, 156314, 234471, 390785, 468942, 703413, 781570, 1172355, 1406826, 2110239, 2344710, 3517065, 4220478, 7034130, 10551195, 21102390]

約数ペア:

[(1, 21102390), (2, 10551195), (3, 7034130), (5, 4220478), (6, 3517065), (9, 2344710), (10, 2110239), (15, 1406826), (18, 1172355), (27, 781570), (30, 703413), (45, 468942), (54, 390785), (90, 234471), (135, 156314), (270, 78157)]