21276276

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13331}}^1$

素因数の和:13364

約数の個数: 48

約数和(自身を含む): 59727360

約数和(自身を除く): 38451084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 399, 532, 798, 1596, 13331, 26662, 39993, 53324, 79986, 93317, 159972, 186634, 253289, 279951, 373268, 506578, 559902, 759867, 1013156, 1119804, 1519734, 1773023, 3039468, 3546046, 5319069, 7092092, 10638138, 21276276]

約数ペア:

[(1, 21276276), (2, 10638138), (3, 7092092), (4, 5319069), (6, 3546046), (7, 3039468), (12, 1773023), (14, 1519734), (19, 1119804), (21, 1013156), (28, 759867), (38, 559902), (42, 506578), (57, 373268), (76, 279951), (84, 253289), (114, 186634), (133, 159972), (228, 93317), (266, 79986), (399, 53324), (532, 39993), (798, 26662), (1596, 13331)]