21694420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3181}}^1$

素因数の和:3232

約数の個数: 48

約数和(自身を含む): 51319296

約数和(自身を除く): 29624876

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3181, 3410, 6362, 6820, 12724, 15905, 31810, 34991, 63620, 69982, 98611, 139964, 174955, 197222, 349910, 394444, 493055, 699820, 986110, 1084721, 1972220, 2169442, 4338884, 5423605, 10847210, 21694420]

約数ペア:

[(1, 21694420), (2, 10847210), (4, 5423605), (5, 4338884), (10, 2169442), (11, 1972220), (20, 1084721), (22, 986110), (31, 699820), (44, 493055), (55, 394444), (62, 349910), (110, 197222), (124, 174955), (155, 139964), (220, 98611), (310, 69982), (341, 63620), (620, 34991), (682, 31810), (1364, 15905), (1705, 12724), (3181, 6820), (3410, 6362)]