21413080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41179}}^1$

素因数の和:41203

約数の個数: 32

約数和(自身を含む): 51886800

約数和(自身を除く): 30473720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 41179, 82358, 164716, 205895, 329432, 411790, 535327, 823580, 1070654, 1647160, 2141308, 2676635, 4282616, 5353270, 10706540, 21413080]

約数ペア:

[(1, 21413080), (2, 10706540), (4, 5353270), (5, 4282616), (8, 2676635), (10, 2141308), (13, 1647160), (20, 1070654), (26, 823580), (40, 535327), (52, 411790), (65, 329432), (104, 205895), (130, 164716), (260, 82358), (520, 41179)]