21953324

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{6869}}^1$

素因数の和:6937

約数の個数: 24

約数和(自身を含む): 41549760

約数和(自身を除く): 19596436

約数列:

[1, 2, 4, 17, 34, 47, 68, 94, 188, 799, 1598, 3196, 6869, 13738, 27476, 116773, 233546, 322843, 467092, 645686, 1291372, 5488331, 10976662, 21953324]

約数ペア:

[(1, 21953324), (2, 10976662), (4, 5488331), (17, 1291372), (34, 645686), (47, 467092), (68, 322843), (94, 233546), (188, 116773), (799, 27476), (1598, 13738), (3196, 6869)]