21235116

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3463}}^1$

素因数の和:3550

約数の個数: 48

約数和(自身を含む): 57419264

約数和(自身を除く): 36184148

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 73, 84, 146, 219, 292, 438, 511, 876, 1022, 1533, 2044, 3066, 3463, 6132, 6926, 10389, 13852, 20778, 24241, 41556, 48482, 72723, 96964, 145446, 252799, 290892, 505598, 758397, 1011196, 1516794, 1769593, 3033588, 3539186, 5308779, 7078372, 10617558, 21235116]

約数ペア:

[(1, 21235116), (2, 10617558), (3, 7078372), (4, 5308779), (6, 3539186), (7, 3033588), (12, 1769593), (14, 1516794), (21, 1011196), (28, 758397), (42, 505598), (73, 290892), (84, 252799), (146, 145446), (219, 96964), (292, 72723), (438, 48482), (511, 41556), (876, 24241), (1022, 20778), (1533, 13852), (2044, 10389), (3066, 6926), (3463, 6132)]