21704394529

素因数分解:

${\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1\times {\mathrm{557}}^1$

素因数の和:985

約数の個数: 32

約数和(自身を含む): 23181659136

約数和(自身を除く): 1477264607

約数列:

[1, 31, 67, 73, 257, 557, 2077, 2263, 4891, 7967, 17219, 17267, 18761, 37319, 40661, 143149, 151621, 533789, 581591, 1156889, 1256987, 1260491, 2724287, 4437619, 9590983, 10449877, 38966597, 84452897, 297320473, 323946187, 700141759, 21704394529]

約数ペア:

[(1, 21704394529), (31, 700141759), (67, 323946187), (73, 297320473), (257, 84452897), (557, 38966597), (2077, 10449877), (2263, 9590983), (4891, 4437619), (7967, 2724287), (17219, 1260491), (17267, 1256987), (18761, 1156889), (37319, 581591), (40661, 533789), (143149, 151621)]