21867160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2693}}^1$

素因数の和:2740

約数の個数: 64

約数和(自身を含む): 58190400

約数和(自身を除く): 36323240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 2693, 4060, 5386, 8120, 10772, 13465, 18851, 21544, 26930, 37702, 53860, 75404, 78097, 94255, 107720, 150808, 156194, 188510, 312388, 377020, 390485, 546679, 624776, 754040, 780970, 1093358, 1561940, 2186716, 2733395, 3123880, 4373432, 5466790, 10933580, 21867160]

約数ペア:

[(1, 21867160), (2, 10933580), (4, 5466790), (5, 4373432), (7, 3123880), (8, 2733395), (10, 2186716), (14, 1561940), (20, 1093358), (28, 780970), (29, 754040), (35, 624776), (40, 546679), (56, 390485), (58, 377020), (70, 312388), (116, 188510), (140, 156194), (145, 150808), (203, 107720), (232, 94255), (280, 78097), (290, 75404), (406, 53860), (580, 37702), (812, 26930), (1015, 21544), (1160, 18851), (1624, 13465), (2030, 10772), (2693, 8120), (4060, 5386)]