21633514

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{487}}^1$

素因数の和:682

約数の個数: 32

約数和(自身を含む): 39352320

約数和(自身を除く): 17718806

約数列:

[1, 2, 7, 14, 19, 38, 133, 167, 266, 334, 487, 974, 1169, 2338, 3173, 3409, 6346, 6818, 9253, 18506, 22211, 44422, 64771, 81329, 129542, 162658, 569303, 1138606, 1545251, 3090502, 10816757, 21633514]

約数ペア:

[(1, 21633514), (2, 10816757), (7, 3090502), (14, 1545251), (19, 1138606), (38, 569303), (133, 162658), (167, 129542), (266, 81329), (334, 64771), (487, 44422), (974, 22211), (1169, 18506), (2338, 9253), (3173, 6818), (3409, 6346)]