21873896

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{383}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 45964800

約数和(自身を除く): 24090904

約数列:

[1, 2, 4, 8, 11, 22, 44, 59, 88, 118, 121, 236, 242, 383, 472, 484, 649, 766, 968, 1298, 1532, 2596, 3064, 4213, 5192, 7139, 8426, 14278, 16852, 22597, 28556, 33704, 45194, 46343, 57112, 90388, 92686, 180776, 185372, 248567, 370744, 497134, 994268, 1988536, 2734237, 5468474, 10936948, 21873896]

約数ペア:

[(1, 21873896), (2, 10936948), (4, 5468474), (8, 2734237), (11, 1988536), (22, 994268), (44, 497134), (59, 370744), (88, 248567), (118, 185372), (121, 180776), (236, 92686), (242, 90388), (383, 57112), (472, 46343), (484, 45194), (649, 33704), (766, 28556), (968, 22597), (1298, 16852), (1532, 14278), (2596, 8426), (3064, 7139), (4213, 5192)]