21596940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{119983}}^1$

素因数の和:119998

約数の個数: 36

約数和(自身を含む): 65511264

約数和(自身を除く): 43914324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 119983, 239966, 359949, 479932, 599915, 719898, 1079847, 1199830, 1439796, 1799745, 2159694, 2399660, 3599490, 4319388, 5399235, 7198980, 10798470, 21596940]

約数ペア:

[(1, 21596940), (2, 10798470), (3, 7198980), (4, 5399235), (5, 4319388), (6, 3599490), (9, 2399660), (10, 2159694), (12, 1799745), (15, 1439796), (18, 1199830), (20, 1079847), (30, 719898), (36, 599915), (45, 479932), (60, 359949), (90, 239966), (180, 119983)]