21815698324

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1478429}}^1$

素因数の和:1478488

約数の個数: 48

約数和(自身を含む): 47688238080

約数和(自身を除く): 25872539756

約数列:

[1, 2, 4, 7, 14, 17, 28, 31, 34, 62, 68, 119, 124, 217, 238, 434, 476, 527, 868, 1054, 2108, 3689, 7378, 14756, 1478429, 2956858, 5913716, 10349003, 20698006, 25133293, 41396012, 45831299, 50266586, 91662598, 100533172, 175933051, 183325196, 320819093, 351866102, 641638186, 703732204, 779132083, 1283276372, 1558264166, 3116528332, 5453924581, 10907849162, 21815698324]

約数ペア:

[(1, 21815698324), (2, 10907849162), (4, 5453924581), (7, 3116528332), (14, 1558264166), (17, 1283276372), (28, 779132083), (31, 703732204), (34, 641638186), (62, 351866102), (68, 320819093), (119, 183325196), (124, 175933051), (217, 100533172), (238, 91662598), (434, 50266586), (476, 45831299), (527, 41396012), (868, 25133293), (1054, 20698006), (2108, 10349003), (3689, 5913716), (7378, 2956858), (14756, 1478429)]