21203488

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{38977}}^1$

素因数の和:39004

約数の個数: 24

約数和(自身を含む): 44201052

約数和(自身を除く): 22997564

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 38977, 77954, 155908, 311816, 623632, 662609, 1247264, 1325218, 2650436, 5300872, 10601744, 21203488]

約数ペア:

[(1, 21203488), (2, 10601744), (4, 5300872), (8, 2650436), (16, 1325218), (17, 1247264), (32, 662609), (34, 623632), (68, 311816), (136, 155908), (272, 77954), (544, 38977)]