21635068

素因数分解:

$2^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{1213}}^1$

素因数の和:1251

約数の個数: 48

約数和(自身を含む): 47588800

約数和(自身を除く): 25953732

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 343, 364, 637, 686, 1213, 1274, 1372, 2426, 2548, 4459, 4852, 8491, 8918, 15769, 16982, 17836, 31538, 33964, 59437, 63076, 110383, 118874, 220766, 237748, 416059, 441532, 772681, 832118, 1545362, 1664236, 3090724, 5408767, 10817534, 21635068]

約数ペア:

[(1, 21635068), (2, 10817534), (4, 5408767), (7, 3090724), (13, 1664236), (14, 1545362), (26, 832118), (28, 772681), (49, 441532), (52, 416059), (91, 237748), (98, 220766), (182, 118874), (196, 110383), (343, 63076), (364, 59437), (637, 33964), (686, 31538), (1213, 17836), (1274, 16982), (1372, 15769), (2426, 8918), (2548, 8491), (4459, 4852)]