21341487856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1445117}}^1$

素因数の和:1445209

約数の個数: 40

約数和(自身を含む): 45157047264

約数和(自身を除く): 23815559408

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1136, 1846, 3692, 7384, 14768, 1445117, 2890234, 5780468, 11560936, 18786521, 23121872, 37573042, 75146084, 102603307, 150292168, 205206614, 300584336, 410413228, 820826456, 1333842991, 1641652912, 2667685982, 5335371964, 10670743928, 21341487856]

約数ペア:

[(1, 21341487856), (2, 10670743928), (4, 5335371964), (8, 2667685982), (13, 1641652912), (16, 1333842991), (26, 820826456), (52, 410413228), (71, 300584336), (104, 205206614), (142, 150292168), (208, 102603307), (284, 75146084), (568, 37573042), (923, 23121872), (1136, 18786521), (1846, 11560936), (3692, 5780468), (7384, 2890234), (14768, 1445117)]