21429960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1669}}^1$

素因数の和:1790

約数の個数: 64

約数和(自身を含む): 64929600

約数和(自身を除く): 43499640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 107, 120, 214, 321, 428, 535, 642, 856, 1070, 1284, 1605, 1669, 2140, 2568, 3210, 3338, 4280, 5007, 6420, 6676, 8345, 10014, 12840, 13352, 16690, 20028, 25035, 33380, 40056, 50070, 66760, 100140, 178583, 200280, 357166, 535749, 714332, 892915, 1071498, 1428664, 1785830, 2142996, 2678745, 3571660, 4285992, 5357490, 7143320, 10714980, 21429960]

約数ペア:

[(1, 21429960), (2, 10714980), (3, 7143320), (4, 5357490), (5, 4285992), (6, 3571660), (8, 2678745), (10, 2142996), (12, 1785830), (15, 1428664), (20, 1071498), (24, 892915), (30, 714332), (40, 535749), (60, 357166), (107, 200280), (120, 178583), (214, 100140), (321, 66760), (428, 50070), (535, 40056), (642, 33380), (856, 25035), (1070, 20028), (1284, 16690), (1605, 13352), (1669, 12840), (2140, 10014), (2568, 8345), (3210, 6676), (3338, 6420), (4280, 5007)]