21578848

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{39667}}^1$

素因数の和:39694

約数の個数: 24

約数和(自身を含む): 44983512

約数和(自身を除く): 23404664

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 39667, 79334, 158668, 317336, 634672, 674339, 1269344, 1348678, 2697356, 5394712, 10789424, 21578848]

約数ペア:

[(1, 21578848), (2, 10789424), (4, 5394712), (8, 2697356), (16, 1348678), (17, 1269344), (32, 674339), (34, 634672), (68, 317336), (136, 158668), (272, 79334), (544, 39667)]