21627180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2267}}^1$

素因数の和:2335

約数の個数: 72

約数和(自身を含む): 66869712

約数和(自身を除く): 45242532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 2267, 2385, 3180, 4534, 4770, 6801, 9068, 9540, 11335, 13602, 20403, 22670, 27204, 34005, 40806, 45340, 68010, 81612, 102015, 120151, 136020, 204030, 240302, 360453, 408060, 480604, 600755, 720906, 1081359, 1201510, 1441812, 1802265, 2162718, 2403020, 3604530, 4325436, 5406795, 7209060, 10813590, 21627180]

約数ペア:

[(1, 21627180), (2, 10813590), (3, 7209060), (4, 5406795), (5, 4325436), (6, 3604530), (9, 2403020), (10, 2162718), (12, 1802265), (15, 1441812), (18, 1201510), (20, 1081359), (30, 720906), (36, 600755), (45, 480604), (53, 408060), (60, 360453), (90, 240302), (106, 204030), (159, 136020), (180, 120151), (212, 102015), (265, 81612), (318, 68010), (477, 45340), (530, 40806), (636, 34005), (795, 27204), (954, 22670), (1060, 20403), (1590, 13602), (1908, 11335), (2267, 9540), (2385, 9068), (3180, 6801), (4534, 4770)]