21490074

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{70229}}^1$

素因数の和:70254

約数の個数: 24

約数和(自身を含む): 49301460

約数和(自身を除く): 27811386

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 70229, 140458, 210687, 421374, 632061, 1193893, 1264122, 2387786, 3581679, 7163358, 10745037, 21490074]

約数ペア:

[(1, 21490074), (2, 10745037), (3, 7163358), (6, 3581679), (9, 2387786), (17, 1264122), (18, 1193893), (34, 632061), (51, 421374), (102, 210687), (153, 140458), (306, 70229)]