21049210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23131}}^1$

素因数の和:23158

約数の個数: 32

約数和(自身を含む): 46634112

約数和(自身を除く): 25584902

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 23131, 46262, 115655, 161917, 231310, 300703, 323834, 601406, 809585, 1503515, 1619170, 2104921, 3007030, 4209842, 10524605, 21049210]

約数ペア:

[(1, 21049210), (2, 10524605), (5, 4209842), (7, 3007030), (10, 2104921), (13, 1619170), (14, 1503515), (26, 809585), (35, 601406), (65, 323834), (70, 300703), (91, 231310), (130, 161917), (182, 115655), (455, 46262), (910, 23131)]