21468399

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{367}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 32219136

約数和(自身を除く): 10750737

約数列:

[1, 3, 17, 31, 37, 51, 93, 111, 367, 527, 629, 1101, 1147, 1581, 1887, 3441, 6239, 11377, 13579, 18717, 19499, 34131, 40737, 58497, 193409, 230843, 420949, 580227, 692529, 1262847, 7156133, 21468399]

約数ペア:

[(1, 21468399), (3, 7156133), (17, 1262847), (31, 692529), (37, 580227), (51, 420949), (93, 230843), (111, 193409), (367, 58497), (527, 40737), (629, 34131), (1101, 19499), (1147, 18717), (1581, 13579), (1887, 11377), (3441, 6239)]