21907560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10739}}^1$

素因数の和:10770

約数の個数: 64

約数和(自身を含む): 69595200

約数和(自身を除く): 47687640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 10739, 21478, 32217, 42956, 53695, 64434, 85912, 107390, 128868, 161085, 182563, 214780, 257736, 322170, 365126, 429560, 547689, 644340, 730252, 912815, 1095378, 1288680, 1460504, 1825630, 2190756, 2738445, 3651260, 4381512, 5476890, 7302520, 10953780, 21907560]

約数ペア:

[(1, 21907560), (2, 10953780), (3, 7302520), (4, 5476890), (5, 4381512), (6, 3651260), (8, 2738445), (10, 2190756), (12, 1825630), (15, 1460504), (17, 1288680), (20, 1095378), (24, 912815), (30, 730252), (34, 644340), (40, 547689), (51, 429560), (60, 365126), (68, 322170), (85, 257736), (102, 214780), (120, 182563), (136, 161085), (170, 128868), (204, 107390), (255, 85912), (340, 64434), (408, 53695), (510, 42956), (680, 32217), (1020, 21478), (2040, 10739)]