21793140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2953}}^1$

素因数の和:3009

約数の個数: 72

約数和(自身を含む): 67741128

約数和(自身を除く): 45947988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 2953, 3690, 5906, 7380, 8859, 11812, 14765, 17718, 26577, 29530, 35436, 44295, 53154, 59060, 88590, 106308, 121073, 132885, 177180, 242146, 265770, 363219, 484292, 531540, 605365, 726438, 1089657, 1210730, 1452876, 1816095, 2179314, 2421460, 3632190, 4358628, 5448285, 7264380, 10896570, 21793140]

約数ペア:

[(1, 21793140), (2, 10896570), (3, 7264380), (4, 5448285), (5, 4358628), (6, 3632190), (9, 2421460), (10, 2179314), (12, 1816095), (15, 1452876), (18, 1210730), (20, 1089657), (30, 726438), (36, 605365), (41, 531540), (45, 484292), (60, 363219), (82, 265770), (90, 242146), (123, 177180), (164, 132885), (180, 121073), (205, 106308), (246, 88590), (369, 59060), (410, 53154), (492, 44295), (615, 35436), (738, 29530), (820, 26577), (1230, 17718), (1476, 14765), (1845, 11812), (2460, 8859), (2953, 7380), (3690, 5906)]