21533536

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{331}}^1$

素因数の和:467

約数の個数: 48

約数和(自身を含む): 45178560

約数和(自身を除く): 23645024

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 107, 152, 214, 304, 331, 428, 608, 662, 856, 1324, 1712, 2033, 2648, 3424, 4066, 5296, 6289, 8132, 10592, 12578, 16264, 25156, 32528, 35417, 50312, 65056, 70834, 100624, 141668, 201248, 283336, 566672, 672923, 1133344, 1345846, 2691692, 5383384, 10766768, 21533536]

約数ペア:

[(1, 21533536), (2, 10766768), (4, 5383384), (8, 2691692), (16, 1345846), (19, 1133344), (32, 672923), (38, 566672), (76, 283336), (107, 201248), (152, 141668), (214, 100624), (304, 70834), (331, 65056), (428, 50312), (608, 35417), (662, 32528), (856, 25156), (1324, 16264), (1712, 12578), (2033, 10592), (2648, 8132), (3424, 6289), (4066, 5296)]