21996240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13093}}^1$

素因数の和:13116

約数の個数: 80

約数和(自身を含む): 77935488

約数和(自身を除く): 55939248

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, 13093, 26186, 39279, 52372, 65465, 78558, 91651, 104744, 130930, 157116, 183302, 196395, 209488, 261860, 274953, 314232, 366604, 392790, 458255, 523720, 549906, 628464, 733208, 785580, 916510, 1047440, 1099812, 1374765, 1466416, 1571160, 1833020, 2199624, 2749530, 3142320, 3666040, 4399248, 5499060, 7332080, 10998120, 21996240]

約数ペア:

[(1, 21996240), (2, 10998120), (3, 7332080), (4, 5499060), (5, 4399248), (6, 3666040), (7, 3142320), (8, 2749530), (10, 2199624), (12, 1833020), (14, 1571160), (15, 1466416), (16, 1374765), (20, 1099812), (21, 1047440), (24, 916510), (28, 785580), (30, 733208), (35, 628464), (40, 549906), (42, 523720), (48, 458255), (56, 392790), (60, 366604), (70, 314232), (80, 274953), (84, 261860), (105, 209488), (112, 196395), (120, 183302), (140, 157116), (168, 130930), (210, 104744), (240, 91651), (280, 78558), (336, 65465), (420, 52372), (560, 39279), (840, 26186), (1680, 13093)]