21530232

素因数分解:

$2^3\times 3^3\times {\mathrm{263}}^1\times {\mathrm{379}}^1$

素因数の和:657

約数の個数: 64

約数和(自身を含む): 60192000

約数和(自身を除く): 38661768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 263, 379, 526, 758, 789, 1052, 1137, 1516, 1578, 2104, 2274, 2367, 3032, 3156, 3411, 4548, 4734, 6312, 6822, 7101, 9096, 9468, 10233, 13644, 14202, 18936, 20466, 27288, 28404, 40932, 56808, 81864, 99677, 199354, 299031, 398708, 598062, 797416, 897093, 1196124, 1794186, 2392248, 2691279, 3588372, 5382558, 7176744, 10765116, 21530232]

約数ペア:

[(1, 21530232), (2, 10765116), (3, 7176744), (4, 5382558), (6, 3588372), (8, 2691279), (9, 2392248), (12, 1794186), (18, 1196124), (24, 897093), (27, 797416), (36, 598062), (54, 398708), (72, 299031), (108, 199354), (216, 99677), (263, 81864), (379, 56808), (526, 40932), (758, 28404), (789, 27288), (1052, 20466), (1137, 18936), (1516, 14202), (1578, 13644), (2104, 10233), (2274, 9468), (2367, 9096), (3032, 7101), (3156, 6822), (3411, 6312), (4548, 4734)]