21551762020

素因数分解:

$2^2\times 5^1\times {\mathrm{15013}}^1\times {\mathrm{71777}}^1$

素因数の和:86799

約数の個数: 24

約数和(自身を含む): 45262345464

約数和(自身を除く): 23710583444

約数列:

[1, 2, 4, 5, 10, 20, 15013, 30026, 60052, 71777, 75065, 143554, 150130, 287108, 300260, 358885, 717770, 1435540, 1077588101, 2155176202, 4310352404, 5387940505, 10775881010, 21551762020]

約数ペア:

[(1, 21551762020), (2, 10775881010), (4, 5387940505), (5, 4310352404), (10, 2155176202), (20, 1077588101), (15013, 1435540), (30026, 717770), (60052, 358885), (71777, 300260), (75065, 287108), (143554, 150130)]