21370668

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{8521}}^1$

素因数の和:8558

約数の個数: 48

約数和(自身を含む): 57267840

約数和(自身を除く): 35897172

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 33, 38, 44, 57, 66, 76, 114, 132, 209, 228, 418, 627, 836, 1254, 2508, 8521, 17042, 25563, 34084, 51126, 93731, 102252, 161899, 187462, 281193, 323798, 374924, 485697, 562386, 647596, 971394, 1124772, 1780889, 1942788, 3561778, 5342667, 7123556, 10685334, 21370668]

約数ペア:

[(1, 21370668), (2, 10685334), (3, 7123556), (4, 5342667), (6, 3561778), (11, 1942788), (12, 1780889), (19, 1124772), (22, 971394), (33, 647596), (38, 562386), (44, 485697), (57, 374924), (66, 323798), (76, 281193), (114, 187462), (132, 161899), (209, 102252), (228, 93731), (418, 51126), (627, 34084), (836, 25563), (1254, 17042), (2508, 8521)]