21228064

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4639}}^1$

素因数の和:4673

約数の個数: 48

約数和(自身を含む): 49109760

約数和(自身を除く): 27881696

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 176, 208, 286, 352, 416, 572, 1144, 2288, 4576, 4639, 9278, 18556, 37112, 51029, 60307, 74224, 102058, 120614, 148448, 204116, 241228, 408232, 482456, 663377, 816464, 964912, 1326754, 1632928, 1929824, 2653508, 5307016, 10614032, 21228064]

約数ペア:

[(1, 21228064), (2, 10614032), (4, 5307016), (8, 2653508), (11, 1929824), (13, 1632928), (16, 1326754), (22, 964912), (26, 816464), (32, 663377), (44, 482456), (52, 408232), (88, 241228), (104, 204116), (143, 148448), (176, 120614), (208, 102058), (286, 74224), (352, 60307), (416, 51029), (572, 37112), (1144, 18556), (2288, 9278), (4576, 4639)]