21538968

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^2\times {\mathrm{7417}}^1$

素因数の和:7448

約数の個数: 48

約数和(自身を含む): 59195640

約数和(自身を除く): 37656672

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 121, 132, 242, 264, 363, 484, 726, 968, 1452, 2904, 7417, 14834, 22251, 29668, 44502, 59336, 81587, 89004, 163174, 178008, 244761, 326348, 489522, 652696, 897457, 979044, 1794914, 1958088, 2692371, 3589828, 5384742, 7179656, 10769484, 21538968]

約数ペア:

[(1, 21538968), (2, 10769484), (3, 7179656), (4, 5384742), (6, 3589828), (8, 2692371), (11, 1958088), (12, 1794914), (22, 979044), (24, 897457), (33, 652696), (44, 489522), (66, 326348), (88, 244761), (121, 178008), (132, 163174), (242, 89004), (264, 81587), (363, 59336), (484, 44502), (726, 29668), (968, 22251), (1452, 14834), (2904, 7417)]