21329764

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{1733}}^1$

素因数の和:1935

約数の個数: 24

約数和(自身を含む): 39764088

約数和(自身を除く): 18434324

約数列:

[1, 2, 4, 17, 34, 68, 181, 362, 724, 1733, 3077, 3466, 6154, 6932, 12308, 29461, 58922, 117844, 313673, 627346, 1254692, 5332441, 10664882, 21329764]

約数ペア:

[(1, 21329764), (2, 10664882), (4, 5332441), (17, 1254692), (34, 627346), (68, 313673), (181, 117844), (362, 58922), (724, 29461), (1733, 12308), (3077, 6932), (3466, 6154)]