21004968

素因数分解:

$2^3\times 3^1\times {\mathrm{173}}^1\times {\mathrm{5059}}^1$

素因数の和:5241

約数の個数: 32

約数和(自身を含む): 52826400

約数和(自身を除く): 31821432

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 173, 346, 519, 692, 1038, 1384, 2076, 4152, 5059, 10118, 15177, 20236, 30354, 40472, 60708, 121416, 875207, 1750414, 2625621, 3500828, 5251242, 7001656, 10502484, 21004968]

約数ペア:

[(1, 21004968), (2, 10502484), (3, 7001656), (4, 5251242), (6, 3500828), (8, 2625621), (12, 1750414), (24, 875207), (173, 121416), (346, 60708), (519, 40472), (692, 30354), (1038, 20236), (1384, 15177), (2076, 10118), (4152, 5059)]