21840261380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{22285981}}^1$

素因数の和:22286004

約数の個数: 36

約数和(自身を含む): 53352640908

約数和(自身を除く): 31512379528

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 22285981, 44571962, 89143924, 111429905, 156001867, 222859810, 312003734, 445719620, 624007468, 780009335, 1092013069, 1560018670, 2184026138, 3120037340, 4368052276, 5460065345, 10920130690, 21840261380]

約数ペア:

[(1, 21840261380), (2, 10920130690), (4, 5460065345), (5, 4368052276), (7, 3120037340), (10, 2184026138), (14, 1560018670), (20, 1092013069), (28, 780009335), (35, 624007468), (49, 445719620), (70, 312003734), (98, 222859810), (140, 156001867), (196, 111429905), (245, 89143924), (490, 44571962), (980, 22285981)]