21514700

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{3527}}^1$

素因数の和:3602

約数の個数: 36

約数和(自身を含む): 47465712

約数和(自身を除く): 25951012

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 1220, 1525, 3050, 3527, 6100, 7054, 14108, 17635, 35270, 70540, 88175, 176350, 215147, 352700, 430294, 860588, 1075735, 2151470, 4302940, 5378675, 10757350, 21514700]

約数ペア:

[(1, 21514700), (2, 10757350), (4, 5378675), (5, 4302940), (10, 2151470), (20, 1075735), (25, 860588), (50, 430294), (61, 352700), (100, 215147), (122, 176350), (244, 88175), (305, 70540), (610, 35270), (1220, 17635), (1525, 14108), (3050, 7054), (3527, 6100)]