21547830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{2593}}^1$

素因数の和:2880

約数の個数: 32

約数和(自身を含む): 51921504

約数和(自身を除く): 30373674

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 277, 554, 831, 1385, 1662, 2593, 2770, 4155, 5186, 7779, 8310, 12965, 15558, 25930, 38895, 77790, 718261, 1436522, 2154783, 3591305, 4309566, 7182610, 10773915, 21547830]

約数ペア:

[(1, 21547830), (2, 10773915), (3, 7182610), (5, 4309566), (6, 3591305), (10, 2154783), (15, 1436522), (30, 718261), (277, 77790), (554, 38895), (831, 25930), (1385, 15558), (1662, 12965), (2593, 8310), (2770, 7779), (4155, 5186)]