21067368

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1409}}^1$

素因数の和:1514

約数の個数: 64

約数和(自身を含む): 60912000

約数和(自身を除く): 39844632

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 89, 168, 178, 267, 356, 534, 623, 712, 1068, 1246, 1409, 1869, 2136, 2492, 2818, 3738, 4227, 4984, 5636, 7476, 8454, 9863, 11272, 14952, 16908, 19726, 29589, 33816, 39452, 59178, 78904, 118356, 125401, 236712, 250802, 376203, 501604, 752406, 877807, 1003208, 1504812, 1755614, 2633421, 3009624, 3511228, 5266842, 7022456, 10533684, 21067368]

約数ペア:

[(1, 21067368), (2, 10533684), (3, 7022456), (4, 5266842), (6, 3511228), (7, 3009624), (8, 2633421), (12, 1755614), (14, 1504812), (21, 1003208), (24, 877807), (28, 752406), (42, 501604), (56, 376203), (84, 250802), (89, 236712), (168, 125401), (178, 118356), (267, 78904), (356, 59178), (534, 39452), (623, 33816), (712, 29589), (1068, 19726), (1246, 16908), (1409, 14952), (1869, 11272), (2136, 9863), (2492, 8454), (2818, 7476), (3738, 5636), (4227, 4984)]