21396030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41953}}^1$

素因数の和:41980

約数の個数: 32

約数和(自身を含む): 54372384

約数和(自身を除く): 32976354

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 41953, 83906, 125859, 209765, 251718, 419530, 629295, 713201, 1258590, 1426402, 2139603, 3566005, 4279206, 7132010, 10698015, 21396030]

約数ペア:

[(1, 21396030), (2, 10698015), (3, 7132010), (5, 4279206), (6, 3566005), (10, 2139603), (15, 1426402), (17, 1258590), (30, 713201), (34, 629295), (51, 419530), (85, 251718), (102, 209765), (170, 125859), (255, 83906), (510, 41953)]