21000453618

素因数分解:

$2^1\times 3^1\times {\mathrm{12893}}^1\times {\mathrm{271471}}^1$

素因数の和:284369

約数の個数: 16

約数和(自身を含む): 42004319616

約数和(自身を除く): 21003865998

約数列:

[1, 2, 3, 6, 12893, 25786, 38679, 77358, 271471, 542942, 814413, 1628826, 3500075603, 7000151206, 10500226809, 21000453618]

約数ペア:

[(1, 21000453618), (2, 10500226809), (3, 7000151206), (6, 3500075603), (12893, 1628826), (25786, 814413), (38679, 542942), (77358, 271471)]