21183536

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3253}}^1$

素因数の和:3309

約数の個数: 40

約数和(自身を含む): 45998544

約数和(自身を除く): 24815008

約数列:

[1, 2, 4, 8, 11, 16, 22, 37, 44, 74, 88, 148, 176, 296, 407, 592, 814, 1628, 3253, 3256, 6506, 6512, 13012, 26024, 35783, 52048, 71566, 120361, 143132, 240722, 286264, 481444, 572528, 962888, 1323971, 1925776, 2647942, 5295884, 10591768, 21183536]

約数ペア:

[(1, 21183536), (2, 10591768), (4, 5295884), (8, 2647942), (11, 1925776), (16, 1323971), (22, 962888), (37, 572528), (44, 481444), (74, 286264), (88, 240722), (148, 143132), (176, 120361), (296, 71566), (407, 52048), (592, 35783), (814, 26024), (1628, 13012), (3253, 6512), (3256, 6506)]