21913620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9871}}^1$

素因数の和:9920

約数の個数: 48

約数和(自身を含む): 63022848

約数和(自身を除く): 41109228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 9871, 19742, 29613, 39484, 49355, 59226, 98710, 118452, 148065, 197420, 296130, 365227, 592260, 730454, 1095681, 1460908, 1826135, 2191362, 3652270, 4382724, 5478405, 7304540, 10956810, 21913620]

約数ペア:

[(1, 21913620), (2, 10956810), (3, 7304540), (4, 5478405), (5, 4382724), (6, 3652270), (10, 2191362), (12, 1826135), (15, 1460908), (20, 1095681), (30, 730454), (37, 592260), (60, 365227), (74, 296130), (111, 197420), (148, 148065), (185, 118452), (222, 98710), (370, 59226), (444, 49355), (555, 39484), (740, 29613), (1110, 19742), (2220, 9871)]