21692280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4409}}^1$

素因数の和:4464

約数の個数: 64

約数和(自身を含む): 66679200

約数和(自身を除く): 44986920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 164, 205, 246, 328, 410, 492, 615, 820, 984, 1230, 1640, 2460, 4409, 4920, 8818, 13227, 17636, 22045, 26454, 35272, 44090, 52908, 66135, 88180, 105816, 132270, 176360, 180769, 264540, 361538, 529080, 542307, 723076, 903845, 1084614, 1446152, 1807690, 2169228, 2711535, 3615380, 4338456, 5423070, 7230760, 10846140, 21692280]

約数ペア:

[(1, 21692280), (2, 10846140), (3, 7230760), (4, 5423070), (5, 4338456), (6, 3615380), (8, 2711535), (10, 2169228), (12, 1807690), (15, 1446152), (20, 1084614), (24, 903845), (30, 723076), (40, 542307), (41, 529080), (60, 361538), (82, 264540), (120, 180769), (123, 176360), (164, 132270), (205, 105816), (246, 88180), (328, 66135), (410, 52908), (492, 44090), (615, 35272), (820, 26454), (984, 22045), (1230, 17636), (1640, 13227), (2460, 8818), (4409, 4920)]