21370291760

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{11614289}}^1$

素因数の和:11614325

約数の個数: 40

約数和(自身を含む): 51846190560

約数和(自身を除く): 30475898800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 11614289, 23228578, 46457156, 58071445, 92914312, 116142890, 185828624, 232285780, 267128647, 464571560, 534257294, 929143120, 1068514588, 1335643235, 2137029176, 2671286470, 4274058352, 5342572940, 10685145880, 21370291760]

約数ペア:

[(1, 21370291760), (2, 10685145880), (4, 5342572940), (5, 4274058352), (8, 2671286470), (10, 2137029176), (16, 1335643235), (20, 1068514588), (23, 929143120), (40, 534257294), (46, 464571560), (80, 267128647), (92, 232285780), (115, 185828624), (184, 116142890), (230, 92914312), (368, 58071445), (460, 46457156), (920, 23228578), (1840, 11614289)]