21237573195

素因数分解:

$3^3\times 5^1\times {\mathrm{2957}}^1\times {\mathrm{53201}}^1$

素因数の和:56172

約数の個数: 32

約数和(自身を含む): 37769163840

約数和(自身を除く): 16531590645

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 2957, 8871, 14785, 26613, 44355, 53201, 79839, 133065, 159603, 266005, 399195, 478809, 798015, 1436427, 2394045, 7182135, 157315357, 471946071, 786576785, 1415838213, 2359730355, 4247514639, 7079191065, 21237573195]

約数ペア:

[(1, 21237573195), (3, 7079191065), (5, 4247514639), (9, 2359730355), (15, 1415838213), (27, 786576785), (45, 471946071), (135, 157315357), (2957, 7182135), (8871, 2394045), (14785, 1436427), (26613, 798015), (44355, 478809), (53201, 399195), (79839, 266005), (133065, 159603)]