21113808

素因数分解:

$2^4\times 3^1\times {\mathrm{61}}^1\times {\mathrm{7211}}^1$

素因数の和:7283

約数の個数: 40

約数和(自身を含む): 55445856

約数和(自身を除く): 34332048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 61, 122, 183, 244, 366, 488, 732, 976, 1464, 2928, 7211, 14422, 21633, 28844, 43266, 57688, 86532, 115376, 173064, 346128, 439871, 879742, 1319613, 1759484, 2639226, 3518968, 5278452, 7037936, 10556904, 21113808]

約数ペア:

[(1, 21113808), (2, 10556904), (3, 7037936), (4, 5278452), (6, 3518968), (8, 2639226), (12, 1759484), (16, 1319613), (24, 879742), (48, 439871), (61, 346128), (122, 173064), (183, 115376), (244, 86532), (366, 57688), (488, 43266), (732, 28844), (976, 21633), (1464, 14422), (2928, 7211)]