21377069680

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{7221983}}^1$

素因数の和:7222033

約数の個数: 40

約数和(自身を含む): 51044982912

約数和(自身を除く): 29667913232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 7221983, 14443966, 28887932, 36109915, 57775864, 72219830, 115551728, 144439660, 267213371, 288879320, 534426742, 577758640, 1068853484, 1336066855, 2137706968, 2672133710, 4275413936, 5344267420, 10688534840, 21377069680]

約数ペア:

[(1, 21377069680), (2, 10688534840), (4, 5344267420), (5, 4275413936), (8, 2672133710), (10, 2137706968), (16, 1336066855), (20, 1068853484), (37, 577758640), (40, 534426742), (74, 288879320), (80, 267213371), (148, 144439660), (185, 115551728), (296, 72219830), (370, 57775864), (592, 36109915), (740, 28887932), (1480, 14443966), (2960, 7221983)]