21744670

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{829}}^1$

素因数の和:940

約数の個数: 32

約数和(自身を含む): 40756320

約数和(自身を除く): 19011650

約数列:

[1, 2, 5, 10, 43, 61, 86, 122, 215, 305, 430, 610, 829, 1658, 2623, 4145, 5246, 8290, 13115, 26230, 35647, 50569, 71294, 101138, 178235, 252845, 356470, 505690, 2174467, 4348934, 10872335, 21744670]

約数ペア:

[(1, 21744670), (2, 10872335), (5, 4348934), (10, 2174467), (43, 505690), (61, 356470), (86, 252845), (122, 178235), (215, 101138), (305, 71294), (430, 50569), (610, 35647), (829, 26230), (1658, 13115), (2623, 8290), (4145, 5246)]