2021171404

素因数分解:

$2^2\times 7^4\times {\mathrm{229}}^1\times {\mathrm{919}}^1$

素因数の和:1180

約数の個数: 60

約数和(自身を含む): 4148841200

約数和(自身を除く): 2127669796

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 229, 343, 458, 686, 916, 919, 1372, 1603, 1838, 2401, 3206, 3676, 4802, 6412, 6433, 9604, 11221, 12866, 22442, 25732, 44884, 45031, 78547, 90062, 157094, 180124, 210451, 314188, 315217, 420902, 549829, 630434, 841804, 1099658, 1260868, 1473157, 2199316, 2206519, 2946314, 4413038, 5892628, 8826076, 10312099, 20624198, 41248396, 72184693, 144369386, 288738772, 505292851, 1010585702, 2021171404]

約数ペア:

[(1, 2021171404), (2, 1010585702), (4, 505292851), (7, 288738772), (14, 144369386), (28, 72184693), (49, 41248396), (98, 20624198), (196, 10312099), (229, 8826076), (343, 5892628), (458, 4413038), (686, 2946314), (916, 2206519), (919, 2199316), (1372, 1473157), (1603, 1260868), (1838, 1099658), (2401, 841804), (3206, 630434), (3676, 549829), (4802, 420902), (6412, 315217), (6433, 314188), (9604, 210451), (11221, 180124), (12866, 157094), (22442, 90062), (25732, 78547), (44884, 45031)]