21688974

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{70879}}^1$

素因数の和:70904

約数の個数: 24

約数和(自身を含む): 49757760

約数和(自身を除く): 28068786

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 70879, 141758, 212637, 425274, 637911, 1204943, 1275822, 2409886, 3614829, 7229658, 10844487, 21688974]

約数ペア:

[(1, 21688974), (2, 10844487), (3, 7229658), (6, 3614829), (9, 2409886), (17, 1275822), (18, 1204943), (34, 637911), (51, 425274), (102, 212637), (153, 141758), (306, 70879)]