21180502

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1319}}^1$

素因数の和:1396

約数の個数: 32

約数和(自身を含む): 38522880

約数和(自身を除く): 17342378

約数列:

[1, 2, 7, 14, 31, 37, 62, 74, 217, 259, 434, 518, 1147, 1319, 2294, 2638, 8029, 9233, 16058, 18466, 40889, 48803, 81778, 97606, 286223, 341621, 572446, 683242, 1512893, 3025786, 10590251, 21180502]

約数ペア:

[(1, 21180502), (2, 10590251), (7, 3025786), (14, 1512893), (31, 683242), (37, 572446), (62, 341621), (74, 286223), (217, 97606), (259, 81778), (434, 48803), (518, 40889), (1147, 18466), (1319, 16058), (2294, 9233), (2638, 8029)]