21163005

素因数分解:

$3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2657}}^1$

素因数の和:2730

約数の個数: 32

約数和(自身を含む): 38275200

約数和(自身を除く): 17112195

約数列:

[1, 3, 5, 9, 15, 27, 45, 59, 135, 177, 295, 531, 885, 1593, 2655, 2657, 7965, 7971, 13285, 23913, 39855, 71739, 119565, 156763, 358695, 470289, 783815, 1410867, 2351445, 4232601, 7054335, 21163005]

約数ペア:

[(1, 21163005), (3, 7054335), (5, 4232601), (9, 2351445), (15, 1410867), (27, 783815), (45, 470289), (59, 358695), (135, 156763), (177, 119565), (295, 71739), (531, 39855), (885, 23913), (1593, 13285), (2655, 7971), (2657, 7965)]