21570768

素因数分解:

$2^4\times 3^2\times {\mathrm{163}}^1\times {\mathrm{919}}^1$

素因数の和:1096

約数の個数: 60

約数和(自身を含む): 60804640

約数和(自身を除く): 39233872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 163, 326, 489, 652, 919, 978, 1304, 1467, 1838, 1956, 2608, 2757, 2934, 3676, 3912, 5514, 5868, 7352, 7824, 8271, 11028, 11736, 14704, 16542, 22056, 23472, 33084, 44112, 66168, 132336, 149797, 299594, 449391, 599188, 898782, 1198376, 1348173, 1797564, 2396752, 2696346, 3595128, 5392692, 7190256, 10785384, 21570768]

約数ペア:

[(1, 21570768), (2, 10785384), (3, 7190256), (4, 5392692), (6, 3595128), (8, 2696346), (9, 2396752), (12, 1797564), (16, 1348173), (18, 1198376), (24, 898782), (36, 599188), (48, 449391), (72, 299594), (144, 149797), (163, 132336), (326, 66168), (489, 44112), (652, 33084), (919, 23472), (978, 22056), (1304, 16542), (1467, 14704), (1838, 11736), (1956, 11028), (2608, 8271), (2757, 7824), (2934, 7352), (3676, 5868), (3912, 5514)]