21706160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{467}}^1$

素因数の和:570

約数の個数: 80

約数和(自身を含む): 58496256

約数和(自身を除く): 36790096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 83, 112, 140, 166, 280, 332, 415, 467, 560, 581, 664, 830, 934, 1162, 1328, 1660, 1868, 2324, 2335, 2905, 3269, 3320, 3736, 4648, 4670, 5810, 6538, 6640, 7472, 9296, 9340, 11620, 13076, 16345, 18680, 23240, 26152, 32690, 37360, 38761, 46480, 52304, 65380, 77522, 130760, 155044, 193805, 261520, 271327, 310088, 387610, 542654, 620176, 775220, 1085308, 1356635, 1550440, 2170616, 2713270, 3100880, 4341232, 5426540, 10853080, 21706160]

約数ペア:

[(1, 21706160), (2, 10853080), (4, 5426540), (5, 4341232), (7, 3100880), (8, 2713270), (10, 2170616), (14, 1550440), (16, 1356635), (20, 1085308), (28, 775220), (35, 620176), (40, 542654), (56, 387610), (70, 310088), (80, 271327), (83, 261520), (112, 193805), (140, 155044), (166, 130760), (280, 77522), (332, 65380), (415, 52304), (467, 46480), (560, 38761), (581, 37360), (664, 32690), (830, 26152), (934, 23240), (1162, 18680), (1328, 16345), (1660, 13076), (1868, 11620), (2324, 9340), (2335, 9296), (2905, 7472), (3269, 6640), (3320, 6538), (3736, 5810), (4648, 4670)]