21716942

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:300

約数の個数: 32

約数和(自身を含む): 36220800

約数和(自身を除く): 14503858

約数列:

[1, 2, 13, 26, 79, 97, 109, 158, 194, 218, 1027, 1261, 1417, 2054, 2522, 2834, 7663, 8611, 10573, 15326, 17222, 21146, 99619, 111943, 137449, 199238, 223886, 274898, 835267, 1670534, 10858471, 21716942]

約数ペア:

[(1, 21716942), (2, 10858471), (13, 1670534), (26, 835267), (79, 274898), (97, 223886), (109, 199238), (158, 137449), (194, 111943), (218, 99619), (1027, 21146), (1261, 17222), (1417, 15326), (2054, 10573), (2522, 8611), (2834, 7663)]