21205178

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{383}}^1$

素因数の和:482

約数の個数: 32

約数和(自身を含む): 35389440

約数和(自身を除く): 14184262

約数列:

[1, 2, 19, 31, 38, 47, 62, 94, 383, 589, 766, 893, 1178, 1457, 1786, 2914, 7277, 11873, 14554, 18001, 23746, 27683, 36002, 55366, 225587, 342019, 451174, 558031, 684038, 1116062, 10602589, 21205178]

約数ペア:

[(1, 21205178), (2, 10602589), (19, 1116062), (31, 684038), (38, 558031), (47, 451174), (62, 342019), (94, 225587), (383, 55366), (589, 36002), (766, 27683), (893, 23746), (1178, 18001), (1457, 14554), (1786, 11873), (2914, 7277)]