21096531478

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2999}}^1\times {\mathrm{16829}}^1$

素因数の和:19860

約数の個数: 32

約数和(自身を含む): 36352800000

約数和(自身を除く): 15256268522

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 2999, 5998, 16829, 32989, 33658, 56981, 65978, 113962, 185119, 319751, 370238, 626791, 639502, 1253582, 3517261, 7034522, 50470171, 100940342, 555171881, 958933249, 1110343762, 1917866498, 10548265739, 21096531478]

約数ペア:

[(1, 21096531478), (2, 10548265739), (11, 1917866498), (19, 1110343762), (22, 958933249), (38, 555171881), (209, 100940342), (418, 50470171), (2999, 7034522), (5998, 3517261), (16829, 1253582), (32989, 639502), (33658, 626791), (56981, 370238), (65978, 319751), (113962, 185119)]