21735270

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1019}}^1$

素因数の和:1114

約数の個数: 64

約数和(自身を含む): 58752000

約数和(自身を除く): 37016730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 79, 90, 135, 158, 237, 270, 395, 474, 711, 790, 1019, 1185, 1422, 2038, 2133, 2370, 3057, 3555, 4266, 5095, 6114, 7110, 9171, 10190, 10665, 15285, 18342, 21330, 27513, 30570, 45855, 55026, 80501, 91710, 137565, 161002, 241503, 275130, 402505, 483006, 724509, 805010, 1207515, 1449018, 2173527, 2415030, 3622545, 4347054, 7245090, 10867635, 21735270]

約数ペア:

[(1, 21735270), (2, 10867635), (3, 7245090), (5, 4347054), (6, 3622545), (9, 2415030), (10, 2173527), (15, 1449018), (18, 1207515), (27, 805010), (30, 724509), (45, 483006), (54, 402505), (79, 275130), (90, 241503), (135, 161002), (158, 137565), (237, 91710), (270, 80501), (395, 55026), (474, 45855), (711, 30570), (790, 27513), (1019, 21330), (1185, 18342), (1422, 15285), (2038, 10665), (2133, 10190), (2370, 9171), (3057, 7110), (3555, 6114), (4266, 5095)]