21474859

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{1597}}^1$

素因数の和:1734

約数の個数: 16

約数和(自身を含む): 26232768

約数和(自身を除く): 4757909

約数列:

[1, 7, 17, 113, 119, 791, 1597, 1921, 11179, 13447, 27149, 180461, 190043, 1263227, 3067837, 21474859]

約数ペア:

[(1, 21474859), (7, 3067837), (17, 1263227), (113, 190043), (119, 180461), (791, 27149), (1597, 13447), (1921, 11179)]