21704040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{60289}}^1$

素因数の和:60306

約数の個数: 48

約数和(自身を含む): 70539300

約数和(自身を除く): 48835260

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 60289, 120578, 180867, 241156, 301445, 361734, 482312, 542601, 602890, 723468, 904335, 1085202, 1205780, 1446936, 1808670, 2170404, 2411560, 2713005, 3617340, 4340808, 5426010, 7234680, 10852020, 21704040]

約数ペア:

[(1, 21704040), (2, 10852020), (3, 7234680), (4, 5426010), (5, 4340808), (6, 3617340), (8, 2713005), (9, 2411560), (10, 2170404), (12, 1808670), (15, 1446936), (18, 1205780), (20, 1085202), (24, 904335), (30, 723468), (36, 602890), (40, 542601), (45, 482312), (60, 361734), (72, 301445), (90, 241156), (120, 180867), (180, 120578), (360, 60289)]