21028810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{3607}}^1$

素因数の和:3678

約数の個数: 32

約数和(自身を含む): 42083712

約数和(自身を除く): 21054902

約数列:

[1, 2, 5, 10, 11, 22, 53, 55, 106, 110, 265, 530, 583, 1166, 2915, 3607, 5830, 7214, 18035, 36070, 39677, 79354, 191171, 198385, 382342, 396770, 955855, 1911710, 2102881, 4205762, 10514405, 21028810]

約数ペア:

[(1, 21028810), (2, 10514405), (5, 4205762), (10, 2102881), (11, 1911710), (22, 955855), (53, 396770), (55, 382342), (106, 198385), (110, 191171), (265, 79354), (530, 39677), (583, 36070), (1166, 18035), (2915, 7214), (3607, 5830)]