21314872

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{156727}}^1$

素因数の和:156750

約数の個数: 16

約数和(自身を含む): 42316560

約数和(自身を除く): 21001688

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 156727, 313454, 626908, 1253816, 2664359, 5328718, 10657436, 21314872]

約数ペア:

[(1, 21314872), (2, 10657436), (4, 5328718), (8, 2664359), (17, 1253816), (34, 626908), (68, 313454), (136, 156727)]