21360456

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{7607}}^1$

素因数の和:7635

約数の個数: 64

約数和(自身を含む): 63907200

約数和(自身を除く): 42546744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 216, 234, 312, 351, 468, 702, 936, 1404, 2808, 7607, 15214, 22821, 30428, 45642, 60856, 68463, 91284, 98891, 136926, 182568, 197782, 205389, 273852, 296673, 395564, 410778, 547704, 593346, 791128, 821556, 890019, 1186692, 1643112, 1780038, 2373384, 2670057, 3560076, 5340114, 7120152, 10680228, 21360456]

約数ペア:

[(1, 21360456), (2, 10680228), (3, 7120152), (4, 5340114), (6, 3560076), (8, 2670057), (9, 2373384), (12, 1780038), (13, 1643112), (18, 1186692), (24, 890019), (26, 821556), (27, 791128), (36, 593346), (39, 547704), (52, 410778), (54, 395564), (72, 296673), (78, 273852), (104, 205389), (108, 197782), (117, 182568), (156, 136926), (216, 98891), (234, 91284), (312, 68463), (351, 60856), (468, 45642), (702, 30428), (936, 22821), (1404, 15214), (2808, 7607)]