21858904895

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{877}}^1\times {\mathrm{3023}}^1$

素因数の和:4019

約数の個数: 32

約数和(自身を含む): 28101282048

約数和(自身を除く): 6242377153

約数列:

[1, 5, 17, 85, 97, 485, 877, 1649, 3023, 4385, 8245, 14909, 15115, 51391, 74545, 85069, 256955, 293231, 425345, 1446173, 1466155, 2651171, 4984927, 7230865, 13255855, 24924635, 45069907, 225349535, 257163587, 1285817935, 4371780979, 21858904895]

約数ペア:

[(1, 21858904895), (5, 4371780979), (17, 1285817935), (85, 257163587), (97, 225349535), (485, 45069907), (877, 24924635), (1649, 13255855), (3023, 7230865), (4385, 4984927), (8245, 2651171), (14909, 1466155), (15115, 1446173), (51391, 425345), (74545, 293231), (85069, 256955)]