21462378

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:371

約数の個数: 64

約数和(自身を含む): 51701760

約数和(自身を除く): 30239382

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 67, 87, 134, 174, 201, 203, 263, 402, 406, 469, 526, 609, 789, 938, 1218, 1407, 1578, 1841, 1943, 2814, 3682, 3886, 5523, 5829, 7627, 11046, 11658, 13601, 15254, 17621, 22881, 27202, 35242, 40803, 45762, 52863, 53389, 81606, 105726, 106778, 123347, 160167, 246694, 320334, 370041, 511009, 740082, 1022018, 1533027, 3066054, 3577063, 7154126, 10731189, 21462378]

約数ペア:

[(1, 21462378), (2, 10731189), (3, 7154126), (6, 3577063), (7, 3066054), (14, 1533027), (21, 1022018), (29, 740082), (42, 511009), (58, 370041), (67, 320334), (87, 246694), (134, 160167), (174, 123347), (201, 106778), (203, 105726), (263, 81606), (402, 53389), (406, 52863), (469, 45762), (526, 40803), (609, 35242), (789, 27202), (938, 22881), (1218, 17621), (1407, 15254), (1578, 13601), (1841, 11658), (1943, 11046), (2814, 7627), (3682, 5829), (3886, 5523)]