2106556921

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{569}}^1\times {\mathrm{587}}^1$

素因数の和:1233

約数の個数: 32

約数和(自身を含む): 2606204160

約数和(自身を除く): 499647239

約数列:

[1, 7, 17, 53, 119, 371, 569, 587, 901, 3983, 4109, 6307, 9673, 9979, 30157, 31111, 67711, 69853, 211099, 217777, 334003, 512669, 528887, 2338021, 3588683, 3702209, 5678051, 17702159, 39746357, 123915113, 300936703, 2106556921]

約数ペア:

[(1, 2106556921), (7, 300936703), (17, 123915113), (53, 39746357), (119, 17702159), (371, 5678051), (569, 3702209), (587, 3588683), (901, 2338021), (3983, 528887), (4109, 512669), (6307, 334003), (9673, 217777), (9979, 211099), (30157, 69853), (31111, 67711)]