21106226

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:135

約数の個数: 48

約数和(自身を含む): 36868608

約数和(自身を除く): 15762382

約数列:

[1, 2, 19, 23, 31, 38, 41, 46, 62, 82, 361, 437, 589, 713, 722, 779, 874, 943, 1178, 1271, 1426, 1558, 1886, 2542, 8303, 11191, 13547, 14801, 16606, 17917, 22382, 24149, 27094, 29233, 29602, 35834, 48298, 58466, 257393, 340423, 458831, 514786, 555427, 680846, 917662, 1110854, 10553113, 21106226]

約数ペア:

[(1, 21106226), (2, 10553113), (19, 1110854), (23, 917662), (31, 680846), (38, 555427), (41, 514786), (46, 458831), (62, 340423), (82, 257393), (361, 58466), (437, 48298), (589, 35834), (713, 29602), (722, 29233), (779, 27094), (874, 24149), (943, 22382), (1178, 17917), (1271, 16606), (1426, 14801), (1558, 13547), (1886, 11191), (2542, 8303)]