21167741912

素因数分解:

$2^3\times {\mathrm{421}}^1\times {\mathrm{479}}^1\times {\mathrm{13121}}^1$

素因数の和:14027

約数の個数: 32

約数和(自身を含む): 39869884800

約数和(自身を除く): 18702142888

約数列:

[1, 2, 4, 8, 421, 479, 842, 958, 1684, 1916, 3368, 3832, 13121, 26242, 52484, 104968, 201659, 403318, 806636, 1613272, 5523941, 6284959, 11047882, 12569918, 22095764, 25139836, 44191528, 50279672, 2645967739, 5291935478, 10583870956, 21167741912]

約数ペア:

[(1, 21167741912), (2, 10583870956), (4, 5291935478), (8, 2645967739), (421, 50279672), (479, 44191528), (842, 25139836), (958, 22095764), (1684, 12569918), (1916, 11047882), (3368, 6284959), (3832, 5523941), (13121, 1613272), (26242, 806636), (52484, 403318), (104968, 201659)]