21533152

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1721}}^1$

素因数の和:1771

約数の個数: 48

約数和(自身を含む): 46865952

約数和(自身を除く): 25332800

約数列:

[1, 2, 4, 8, 16, 17, 23, 32, 34, 46, 68, 92, 136, 184, 272, 368, 391, 544, 736, 782, 1564, 1721, 3128, 3442, 6256, 6884, 12512, 13768, 27536, 29257, 39583, 55072, 58514, 79166, 117028, 158332, 234056, 316664, 468112, 633328, 672911, 936224, 1266656, 1345822, 2691644, 5383288, 10766576, 21533152]

約数ペア:

[(1, 21533152), (2, 10766576), (4, 5383288), (8, 2691644), (16, 1345822), (17, 1266656), (23, 936224), (32, 672911), (34, 633328), (46, 468112), (68, 316664), (92, 234056), (136, 158332), (184, 117028), (272, 79166), (368, 58514), (391, 55072), (544, 39583), (736, 29257), (782, 27536), (1564, 13768), (1721, 12512), (3128, 6884), (3442, 6256)]