21511698

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{16223}}^1$

素因数の和:16258

約数の個数: 32

約数和(自身を含む): 49061376

約数和(自身を除く): 27549678

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 221, 442, 663, 1326, 16223, 32446, 48669, 97338, 210899, 275791, 421798, 551582, 632697, 827373, 1265394, 1654746, 3585283, 7170566, 10755849, 21511698]

約数ペア:

[(1, 21511698), (2, 10755849), (3, 7170566), (6, 3585283), (13, 1654746), (17, 1265394), (26, 827373), (34, 632697), (39, 551582), (51, 421798), (78, 275791), (102, 210899), (221, 97338), (442, 48669), (663, 32446), (1326, 16223)]