21480276

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{479}}^1$

素因数の和:624

約数の個数: 48

約数和(自身を含む): 52093440

約数和(自身を除く): 30613164

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 101, 111, 148, 202, 222, 303, 404, 444, 479, 606, 958, 1212, 1437, 1916, 2874, 3737, 5748, 7474, 11211, 14948, 17723, 22422, 35446, 44844, 48379, 53169, 70892, 96758, 106338, 145137, 193516, 212676, 290274, 580548, 1790023, 3580046, 5370069, 7160092, 10740138, 21480276]

約数ペア:

[(1, 21480276), (2, 10740138), (3, 7160092), (4, 5370069), (6, 3580046), (12, 1790023), (37, 580548), (74, 290274), (101, 212676), (111, 193516), (148, 145137), (202, 106338), (222, 96758), (303, 70892), (404, 53169), (444, 48379), (479, 44844), (606, 35446), (958, 22422), (1212, 17723), (1437, 14948), (1916, 11211), (2874, 7474), (3737, 5748)]