21415678970375

素因数分解:

$5^3\times {\mathrm{167}}^1\times {\mathrm{3121}}^1\times {\mathrm{328709}}^1$

素因数の和:332012

約数の個数: 32

約数和(自身を含む): 26895504504960

約数和(自身を除く): 5479825534585

約数列:

[1, 5, 25, 125, 167, 835, 3121, 4175, 15605, 20875, 78025, 328709, 390125, 521207, 1643545, 2606035, 8217725, 13030175, 41088625, 54894403, 65150875, 274472015, 1025900789, 1372360075, 5129503945, 6861800375, 25647519725, 128237598625, 171325431763, 856627158815, 4283135794075, 21415678970375]

約数ペア:

[(1, 21415678970375), (5, 4283135794075), (25, 856627158815), (125, 171325431763), (167, 128237598625), (835, 25647519725), (3121, 6861800375), (4175, 5129503945), (15605, 1372360075), (20875, 1025900789), (78025, 274472015), (328709, 65150875), (390125, 54894403), (521207, 41088625), (1643545, 13030175), (2606035, 8217725)]