21000434748

素因数分解:

$2^2\times 3^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{287977}}^1$

素因数の和:288146

約数の個数: 48

約数和(自身を含む): 50315516160

約数和(自身を除く): 29315081412

約数列:

[1, 2, 3, 4, 6, 12, 59, 103, 118, 177, 206, 236, 309, 354, 412, 618, 708, 1236, 6077, 12154, 18231, 24308, 36462, 72924, 287977, 575954, 863931, 1151908, 1727862, 3455724, 16990643, 29661631, 33981286, 50971929, 59323262, 67962572, 88984893, 101943858, 118646524, 177969786, 203887716, 355939572, 1750036229, 3500072458, 5250108687, 7000144916, 10500217374, 21000434748]

約数ペア:

[(1, 21000434748), (2, 10500217374), (3, 7000144916), (4, 5250108687), (6, 3500072458), (12, 1750036229), (59, 355939572), (103, 203887716), (118, 177969786), (177, 118646524), (206, 101943858), (236, 88984893), (309, 67962572), (354, 59323262), (412, 50971929), (618, 33981286), (708, 29661631), (1236, 16990643), (6077, 3455724), (12154, 1727862), (18231, 1151908), (24308, 863931), (36462, 575954), (72924, 287977)]