21493561821

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1\times {\mathrm{327491}}^1$

素因数の和:327792

約数の個数: 16

約数和(自身を含む): 29049850368

約数和(自身を除く): 7556288547

約数列:

[1, 3, 131, 167, 393, 501, 21877, 65631, 327491, 982473, 42901321, 54690997, 128703963, 164072991, 7164520607, 21493561821]

約数ペア:

[(1, 21493561821), (3, 7164520607), (131, 164072991), (167, 128703963), (393, 54690997), (501, 42901321), (21877, 982473), (65631, 327491)]