21902556

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{140401}}^1$

素因数の和:140421

約数の個数: 24

約数和(自身を含む): 55037584

約数和(自身を除く): 33135028

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 140401, 280802, 421203, 561604, 842406, 1684812, 1825213, 3650426, 5475639, 7300852, 10951278, 21902556]

約数ペア:

[(1, 21902556), (2, 10951278), (3, 7300852), (4, 5475639), (6, 3650426), (12, 1825213), (13, 1684812), (26, 842406), (39, 561604), (52, 421203), (78, 280802), (156, 140401)]