21386879998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{5370889}}^1$

素因数の和:5371083

約数の個数: 16

約数和(自身を含む): 35190071280

約数和(自身を除く): 13803191282

約数列:

[1, 2, 11, 22, 181, 362, 1991, 3982, 5370889, 10741778, 59079779, 118159558, 972130909, 1944261818, 10693439999, 21386879998]

約数ペア:

[(1, 21386879998), (2, 10693439999), (11, 1944261818), (22, 972130909), (181, 118159558), (362, 59079779), (1991, 10741778), (3982, 5370889)]