21000313360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20192609}}^1$

素因数の和:20192635

約数の個数: 40

約数和(自身を含む): 52581556440

約数和(自身を除く): 31581243080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 20192609, 40385218, 80770436, 100963045, 161540872, 201926090, 262503917, 323081744, 403852180, 525007834, 807704360, 1050015668, 1312519585, 1615408720, 2100031336, 2625039170, 4200062672, 5250078340, 10500156680, 21000313360]

約数ペア:

[(1, 21000313360), (2, 10500156680), (4, 5250078340), (5, 4200062672), (8, 2625039170), (10, 2100031336), (13, 1615408720), (16, 1312519585), (20, 1050015668), (26, 807704360), (40, 525007834), (52, 403852180), (65, 323081744), (80, 262503917), (104, 201926090), (130, 161540872), (208, 100963045), (260, 80770436), (520, 40385218), (1040, 20192609)]