21427174

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{809}}^1$

素因数の和:888

約数の個数: 32

約数和(自身を含む): 36741600

約数和(自身を除く): 15314426

約数列:

[1, 2, 17, 19, 34, 38, 41, 82, 323, 646, 697, 779, 809, 1394, 1558, 1618, 13243, 13753, 15371, 26486, 27506, 30742, 33169, 66338, 261307, 522614, 563873, 630211, 1127746, 1260422, 10713587, 21427174]

約数ペア:

[(1, 21427174), (2, 10713587), (17, 1260422), (19, 1127746), (34, 630211), (38, 563873), (41, 522614), (82, 261307), (323, 66338), (646, 33169), (697, 30742), (779, 27506), (809, 26486), (1394, 15371), (1558, 13753), (1618, 13243)]