21283140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9587}}^1$

素因数の和:9636

約数の個数: 48

約数和(自身を含む): 61209792

約数和(自身を除く): 39926652

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, 9587, 19174, 28761, 38348, 47935, 57522, 95870, 115044, 143805, 191740, 287610, 354719, 575220, 709438, 1064157, 1418876, 1773595, 2128314, 3547190, 4256628, 5320785, 7094380, 10641570, 21283140]

約数ペア:

[(1, 21283140), (2, 10641570), (3, 7094380), (4, 5320785), (5, 4256628), (6, 3547190), (10, 2128314), (12, 1773595), (15, 1418876), (20, 1064157), (30, 709438), (37, 575220), (60, 354719), (74, 287610), (111, 191740), (148, 143805), (185, 115044), (222, 95870), (370, 57522), (444, 47935), (555, 38348), (740, 28761), (1110, 19174), (2220, 9587)]