21685964

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{3229}}^1$

素因数の和:3329

約数の個数: 24

約数和(自身を含む): 40155360

約数和(自身を除く): 18469396

約数列:

[1, 2, 4, 23, 46, 73, 92, 146, 292, 1679, 3229, 3358, 6458, 6716, 12916, 74267, 148534, 235717, 297068, 471434, 942868, 5421491, 10842982, 21685964]

約数ペア:

[(1, 21685964), (2, 10842982), (4, 5421491), (23, 942868), (46, 471434), (73, 297068), (92, 235717), (146, 148534), (292, 74267), (1679, 12916), (3229, 6716), (3358, 6458)]