21486390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{24697}}^1$

素因数の和:24736

約数の個数: 32

約数和(自身を含む): 53347680

約数和(自身を除く): 31861290

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870, 24697, 49394, 74091, 123485, 148182, 246970, 370455, 716213, 740910, 1432426, 2148639, 3581065, 4297278, 7162130, 10743195, 21486390]

約数ペア:

[(1, 21486390), (2, 10743195), (3, 7162130), (5, 4297278), (6, 3581065), (10, 2148639), (15, 1432426), (29, 740910), (30, 716213), (58, 370455), (87, 246970), (145, 148182), (174, 123485), (290, 74091), (435, 49394), (870, 24697)]