21992430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{19813}}^1$

素因数の和:19860

約数の個数: 32

約数和(自身を含む): 54211104

約数和(自身を除く): 32218674

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 1110, 19813, 39626, 59439, 99065, 118878, 198130, 297195, 594390, 733081, 1466162, 2199243, 3665405, 4398486, 7330810, 10996215, 21992430]

約数ペア:

[(1, 21992430), (2, 10996215), (3, 7330810), (5, 4398486), (6, 3665405), (10, 2199243), (15, 1466162), (30, 733081), (37, 594390), (74, 297195), (111, 198130), (185, 118878), (222, 99065), (370, 59439), (555, 39626), (1110, 19813)]