21009936

素因数分解:

$2^4\times 3^1\times {\mathrm{167}}^1\times {\mathrm{2621}}^1$

素因数の和:2799

約数の個数: 40

約数和(自身を含む): 54621504

約数和(自身を除く): 33611568

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 167, 334, 501, 668, 1002, 1336, 2004, 2621, 2672, 4008, 5242, 7863, 8016, 10484, 15726, 20968, 31452, 41936, 62904, 125808, 437707, 875414, 1313121, 1750828, 2626242, 3501656, 5252484, 7003312, 10504968, 21009936]

約数ペア:

[(1, 21009936), (2, 10504968), (3, 7003312), (4, 5252484), (6, 3501656), (8, 2626242), (12, 1750828), (16, 1313121), (24, 875414), (48, 437707), (167, 125808), (334, 62904), (501, 41936), (668, 31452), (1002, 20968), (1336, 15726), (2004, 10484), (2621, 8016), (2672, 7863), (4008, 5242)]