21085968

素因数分解:

$2^4\times 3^1\times {\mathrm{271}}^1\times {\mathrm{1621}}^1$

素因数の和:1903

約数の個数: 40

約数和(自身を含む): 54706816

約数和(自身を除く): 33620848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 271, 542, 813, 1084, 1621, 1626, 2168, 3242, 3252, 4336, 4863, 6484, 6504, 9726, 12968, 13008, 19452, 25936, 38904, 77808, 439291, 878582, 1317873, 1757164, 2635746, 3514328, 5271492, 7028656, 10542984, 21085968]

約数ペア:

[(1, 21085968), (2, 10542984), (3, 7028656), (4, 5271492), (6, 3514328), (8, 2635746), (12, 1757164), (16, 1317873), (24, 878582), (48, 439291), (271, 77808), (542, 38904), (813, 25936), (1084, 19452), (1621, 13008), (1626, 12968), (2168, 9726), (3242, 6504), (3252, 6484), (4336, 4863)]