21124404

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4931}}^1$

素因数の和:4965

約数の個数: 72

約数和(自身を含む): 64628928

約数和(自身を除く): 43504524

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 119, 126, 153, 204, 238, 252, 306, 357, 476, 612, 714, 1071, 1428, 2142, 4284, 4931, 9862, 14793, 19724, 29586, 34517, 44379, 59172, 69034, 83827, 88758, 103551, 138068, 167654, 177516, 207102, 251481, 310653, 335308, 414204, 502962, 586789, 621306, 754443, 1005924, 1173578, 1242612, 1508886, 1760367, 2347156, 3017772, 3520734, 5281101, 7041468, 10562202, 21124404]

約数ペア:

[(1, 21124404), (2, 10562202), (3, 7041468), (4, 5281101), (6, 3520734), (7, 3017772), (9, 2347156), (12, 1760367), (14, 1508886), (17, 1242612), (18, 1173578), (21, 1005924), (28, 754443), (34, 621306), (36, 586789), (42, 502962), (51, 414204), (63, 335308), (68, 310653), (84, 251481), (102, 207102), (119, 177516), (126, 167654), (153, 138068), (204, 103551), (238, 88758), (252, 83827), (306, 69034), (357, 59172), (476, 44379), (612, 34517), (714, 29586), (1071, 19724), (1428, 14793), (2142, 9862), (4284, 4931)]