21162204

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1063}}^1$

素因数の和:1159

約数の個数: 72

約数和(自身を含む): 61967360

約数和(自身を除く): 40805156

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 79, 84, 126, 158, 237, 252, 316, 474, 553, 711, 948, 1063, 1106, 1422, 1659, 2126, 2212, 2844, 3189, 3318, 4252, 4977, 6378, 6636, 7441, 9567, 9954, 12756, 14882, 19134, 19908, 22323, 29764, 38268, 44646, 66969, 83977, 89292, 133938, 167954, 251931, 267876, 335908, 503862, 587839, 755793, 1007724, 1175678, 1511586, 1763517, 2351356, 3023172, 3527034, 5290551, 7054068, 10581102, 21162204]

約数ペア:

[(1, 21162204), (2, 10581102), (3, 7054068), (4, 5290551), (6, 3527034), (7, 3023172), (9, 2351356), (12, 1763517), (14, 1511586), (18, 1175678), (21, 1007724), (28, 755793), (36, 587839), (42, 503862), (63, 335908), (79, 267876), (84, 251931), (126, 167954), (158, 133938), (237, 89292), (252, 83977), (316, 66969), (474, 44646), (553, 38268), (711, 29764), (948, 22323), (1063, 19908), (1106, 19134), (1422, 14882), (1659, 12756), (2126, 9954), (2212, 9567), (2844, 7441), (3189, 6636), (3318, 6378), (4252, 4977)]