21243555480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{25289947}}^1$

素因数の和:25289968

約数の個数: 64

約数和(自身を含む): 72835050240

約数和(自身を除く): 51591494760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 25289947, 50579894, 75869841, 101159788, 126449735, 151739682, 177029629, 202319576, 252899470, 303479364, 354059258, 379349205, 505798940, 531088887, 606958728, 708118516, 758698410, 885148145, 1011597880, 1062177774, 1416237032, 1517396820, 1770296290, 2124355548, 2655444435, 3034793640, 3540592580, 4248711096, 5310888870, 7081185160, 10621777740, 21243555480]

約数ペア:

[(1, 21243555480), (2, 10621777740), (3, 7081185160), (4, 5310888870), (5, 4248711096), (6, 3540592580), (7, 3034793640), (8, 2655444435), (10, 2124355548), (12, 1770296290), (14, 1517396820), (15, 1416237032), (20, 1062177774), (21, 1011597880), (24, 885148145), (28, 758698410), (30, 708118516), (35, 606958728), (40, 531088887), (42, 505798940), (56, 379349205), (60, 354059258), (70, 303479364), (84, 252899470), (105, 202319576), (120, 177029629), (140, 151739682), (168, 126449735), (210, 101159788), (280, 75869841), (420, 50579894), (840, 25289947)]