21103803840

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{3140447}}^1$

素因数の和:3140474

約数の個数: 112

約数和(自身を含む): 76576684032

約数和(自身を除く): 55472880192

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3360, 6720, 3140447, 6280894, 9421341, 12561788, 15702235, 18842682, 21983129, 25123576, 31404470, 37685364, 43966258, 47106705, 50247152, 62808940, 65949387, 75370728, 87932516, 94213410, 100494304, 109915645, 125617880, 131898774, 150741456, 175865032, 188426820, 200988608, 219831290, 251235760, 263797548, 301482912, 329746935, 351730064, 376853640, 439662580, 502471520, 527595096, 602965824, 659493870, 703460128, 753707280, 879325160, 1004943040, 1055190192, 1318987740, 1406920256, 1507414560, 1758650320, 2110380384, 2637975480, 3014829120, 3517300640, 4220760768, 5275950960, 7034601280, 10551901920, 21103803840]

約数ペア:

[(1, 21103803840), (2, 10551901920), (3, 7034601280), (4, 5275950960), (5, 4220760768), (6, 3517300640), (7, 3014829120), (8, 2637975480), (10, 2110380384), (12, 1758650320), (14, 1507414560), (15, 1406920256), (16, 1318987740), (20, 1055190192), (21, 1004943040), (24, 879325160), (28, 753707280), (30, 703460128), (32, 659493870), (35, 602965824), (40, 527595096), (42, 502471520), (48, 439662580), (56, 376853640), (60, 351730064), (64, 329746935), (70, 301482912), (80, 263797548), (84, 251235760), (96, 219831290), (105, 200988608), (112, 188426820), (120, 175865032), (140, 150741456), (160, 131898774), (168, 125617880), (192, 109915645), (210, 100494304), (224, 94213410), (240, 87932516), (280, 75370728), (320, 65949387), (336, 62808940), (420, 50247152), (448, 47106705), (480, 43966258), (560, 37685364), (672, 31404470), (840, 25123576), (960, 21983129), (1120, 18842682), (1344, 15702235), (1680, 12561788), (2240, 9421341), (3360, 6280894), (6720, 3140447)]