21219558

素因数分解:

$2^1\times 3^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{503}}^1$

素因数の和:676

約数の個数: 32

約数和(自身を含む): 43545600

約数和(自身を除く): 22326042

約数列:

[1, 2, 3, 6, 79, 89, 158, 178, 237, 267, 474, 503, 534, 1006, 1509, 3018, 7031, 14062, 21093, 39737, 42186, 44767, 79474, 89534, 119211, 134301, 238422, 268602, 3536593, 7073186, 10609779, 21219558]

約数ペア:

[(1, 21219558), (2, 10609779), (3, 7073186), (6, 3536593), (79, 268602), (89, 238422), (158, 134301), (178, 119211), (237, 89534), (267, 79474), (474, 44767), (503, 42186), (534, 39737), (1006, 21093), (1509, 14062), (3018, 7031)]