21902460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:335

約数の個数: 96

約数和(自身を含む): 65862720

約数和(自身を除く): 43960260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 109, 170, 197, 204, 218, 255, 327, 340, 394, 436, 510, 545, 591, 654, 788, 985, 1020, 1090, 1182, 1308, 1635, 1853, 1970, 2180, 2364, 2955, 3270, 3349, 3706, 3940, 5559, 5910, 6540, 6698, 7412, 9265, 10047, 11118, 11820, 13396, 16745, 18530, 20094, 21473, 22236, 27795, 33490, 37060, 40188, 42946, 50235, 55590, 64419, 66980, 85892, 100470, 107365, 111180, 128838, 200940, 214730, 257676, 322095, 365041, 429460, 644190, 730082, 1095123, 1288380, 1460164, 1825205, 2190246, 3650410, 4380492, 5475615, 7300820, 10951230, 21902460]

約数ペア:

[(1, 21902460), (2, 10951230), (3, 7300820), (4, 5475615), (5, 4380492), (6, 3650410), (10, 2190246), (12, 1825205), (15, 1460164), (17, 1288380), (20, 1095123), (30, 730082), (34, 644190), (51, 429460), (60, 365041), (68, 322095), (85, 257676), (102, 214730), (109, 200940), (170, 128838), (197, 111180), (204, 107365), (218, 100470), (255, 85892), (327, 66980), (340, 64419), (394, 55590), (436, 50235), (510, 42946), (545, 40188), (591, 37060), (654, 33490), (788, 27795), (985, 22236), (1020, 21473), (1090, 20094), (1182, 18530), (1308, 16745), (1635, 13396), (1853, 11820), (1970, 11118), (2180, 10047), (2364, 9265), (2955, 7412), (3270, 6698), (3349, 6540), (3706, 5910), (3940, 5559)]