21902160

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13037}}^1$

素因数の和:13060

約数の個数: 80

約数和(自身を含む): 77602176

約数和(自身を除く): 55700016

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 13037, 26074, 39111, 52148, 65185, 78222, 91259, 104296, 130370, 156444, 182518, 195555, 208592, 260740, 273777, 312888, 365036, 391110, 456295, 521480, 547554, 625776, 730072, 782220, 912590, 1042960, 1095108, 1368885, 1460144, 1564440, 1825180, 2190216, 2737770, 3128880, 3650360, 4380432, 5475540, 7300720, 10951080, 21902160]

約数ペア:

[(1, 21902160), (2, 10951080), (3, 7300720), (4, 5475540), (5, 4380432), (6, 3650360), (7, 3128880), (8, 2737770), (10, 2190216), (12, 1825180), (14, 1564440), (15, 1460144), (16, 1368885), (20, 1095108), (21, 1042960), (24, 912590), (28, 782220), (30, 730072), (35, 625776), (40, 547554), (42, 521480), (48, 456295), (56, 391110), (60, 365036), (70, 312888), (80, 273777), (84, 260740), (105, 208592), (112, 195555), (120, 182518), (140, 156444), (168, 130370), (210, 104296), (240, 91259), (280, 78222), (336, 65185), (420, 52148), (560, 39111), (840, 26074), (1680, 13037)]