21043206401

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{8363}}^1\times {\mathrm{18919}}^1$

素因数の和:27308

約数の個数: 16

約数和(自身を含む): 25319500800

約数和(自身を除く): 4276294399

約数列:

[1, 7, 19, 133, 8363, 18919, 58541, 132433, 158897, 359461, 1112279, 2516227, 158219597, 1107537179, 3006172343, 21043206401]

約数ペア:

[(1, 21043206401), (7, 3006172343), (19, 1107537179), (133, 158219597), (8363, 2516227), (18919, 1112279), (58541, 359461), (132433, 158897)]