21709750

素因数分解:

$2^1\times 5^3\times {\mathrm{37}}^1\times {\mathrm{2347}}^1$

素因数の和:2401

約数の個数: 32

約数和(自身を含む): 41756832

約数和(自身を除く): 20047082

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 125, 185, 250, 370, 925, 1850, 2347, 4625, 4694, 9250, 11735, 23470, 58675, 86839, 117350, 173678, 293375, 434195, 586750, 868390, 2170975, 4341950, 10854875, 21709750]

約数ペア:

[(1, 21709750), (2, 10854875), (5, 4341950), (10, 2170975), (25, 868390), (37, 586750), (50, 434195), (74, 293375), (125, 173678), (185, 117350), (250, 86839), (370, 58675), (925, 23470), (1850, 11735), (2347, 9250), (4625, 4694)]