21048652808

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{2273}}^1\times {\mathrm{60923}}^1$

素因数の和:63221

約数の個数: 32

約数和(自身を含む): 41562352800

約数和(自身を除く): 20513699992

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 2273, 4546, 9092, 18184, 43187, 60923, 86374, 121846, 172748, 243692, 345496, 487384, 1157537, 2315074, 4630148, 9260296, 138477979, 276955958, 553911916, 1107823832, 2631081601, 5262163202, 10524326404, 21048652808]

約数ペア:

[(1, 21048652808), (2, 10524326404), (4, 5262163202), (8, 2631081601), (19, 1107823832), (38, 553911916), (76, 276955958), (152, 138477979), (2273, 9260296), (4546, 4630148), (9092, 2315074), (18184, 1157537), (43187, 487384), (60923, 345496), (86374, 243692), (121846, 172748)]