21694190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3923}}^1$

素因数の和:4016

約数の個数: 32

約数和(自身を含む): 45204480

約数和(自身を除く): 23510290

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 395, 553, 790, 1106, 2765, 3923, 5530, 7846, 19615, 27461, 39230, 54922, 137305, 274610, 309917, 619834, 1549585, 2169419, 3099170, 4338838, 10847095, 21694190]

約数ペア:

[(1, 21694190), (2, 10847095), (5, 4338838), (7, 3099170), (10, 2169419), (14, 1549585), (35, 619834), (70, 309917), (79, 274610), (158, 137305), (395, 54922), (553, 39230), (790, 27461), (1106, 19615), (2765, 7846), (3923, 5530)]