21366099

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:237

約数の個数: 40

約数和(自身を含む): 33701888

約数和(自身を除く): 12335789

約数列:

[1, 3, 9, 27, 31, 67, 81, 93, 127, 201, 279, 381, 603, 837, 1143, 1809, 2077, 2511, 3429, 3937, 5427, 6231, 8509, 10287, 11811, 18693, 25527, 35433, 56079, 76581, 106299, 168237, 229743, 263779, 318897, 689229, 791337, 2374011, 7122033, 21366099]

約数ペア:

[(1, 21366099), (3, 7122033), (9, 2374011), (27, 791337), (31, 689229), (67, 318897), (81, 263779), (93, 229743), (127, 168237), (201, 106299), (279, 76581), (381, 56079), (603, 35433), (837, 25527), (1143, 18693), (1809, 11811), (2077, 10287), (2511, 8509), (3429, 6231), (3937, 5427)]