21738920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4567}}^1$

素因数の和:4602

約数の個数: 64

約数和(自身を含む): 59201280

約数和(自身を除く): 37462360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4567, 4760, 9134, 18268, 22835, 31969, 36536, 45670, 63938, 77639, 91340, 127876, 155278, 159845, 182680, 255752, 310556, 319690, 388195, 543473, 621112, 639380, 776390, 1086946, 1278760, 1552780, 2173892, 2717365, 3105560, 4347784, 5434730, 10869460, 21738920]

約数ペア:

[(1, 21738920), (2, 10869460), (4, 5434730), (5, 4347784), (7, 3105560), (8, 2717365), (10, 2173892), (14, 1552780), (17, 1278760), (20, 1086946), (28, 776390), (34, 639380), (35, 621112), (40, 543473), (56, 388195), (68, 319690), (70, 310556), (85, 255752), (119, 182680), (136, 159845), (140, 155278), (170, 127876), (238, 91340), (280, 77639), (340, 63938), (476, 45670), (595, 36536), (680, 31969), (952, 22835), (1190, 18268), (2380, 9134), (4567, 4760)]