21107450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4639}}^1$

素因数の和:4671

約数の個数: 48

約数和(自身を含む): 48330240

約数和(自身を除く): 27222790

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 175, 182, 325, 350, 455, 650, 910, 2275, 4550, 4639, 9278, 23195, 32473, 46390, 60307, 64946, 115975, 120614, 162365, 231950, 301535, 324730, 422149, 603070, 811825, 844298, 1507675, 1623650, 2110745, 3015350, 4221490, 10553725, 21107450]

約数ペア:

[(1, 21107450), (2, 10553725), (5, 4221490), (7, 3015350), (10, 2110745), (13, 1623650), (14, 1507675), (25, 844298), (26, 811825), (35, 603070), (50, 422149), (65, 324730), (70, 301535), (91, 231950), (130, 162365), (175, 120614), (182, 115975), (325, 64946), (350, 60307), (455, 46390), (650, 32473), (910, 23195), (2275, 9278), (4550, 4639)]