21643704

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{9697}}^1$

素因数の和:9740

約数の個数: 48

約数和(自身を含む): 60515520

約数和(自身を除く): 38871816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 186, 248, 279, 372, 558, 744, 1116, 2232, 9697, 19394, 29091, 38788, 58182, 77576, 87273, 116364, 174546, 232728, 300607, 349092, 601214, 698184, 901821, 1202428, 1803642, 2404856, 2705463, 3607284, 5410926, 7214568, 10821852, 21643704]

約数ペア:

[(1, 21643704), (2, 10821852), (3, 7214568), (4, 5410926), (6, 3607284), (8, 2705463), (9, 2404856), (12, 1803642), (18, 1202428), (24, 901821), (31, 698184), (36, 601214), (62, 349092), (72, 300607), (93, 232728), (124, 174546), (186, 116364), (248, 87273), (279, 77576), (372, 58182), (558, 38788), (744, 29091), (1116, 19394), (2232, 9697)]