21006957310

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4231}}^1\times {\mathrm{21587}}^1$

素因数の和:25848

約数の個数: 32

約数和(自身を含む): 39467699712

約数和(自身を除く): 18460742402

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 4231, 8462, 21155, 21587, 42310, 43174, 97313, 107935, 194626, 215870, 486565, 496501, 973130, 993002, 2482505, 4965010, 91334597, 182669194, 456672985, 913345970, 2100695731, 4201391462, 10503478655, 21006957310]

約数ペア:

[(1, 21006957310), (2, 10503478655), (5, 4201391462), (10, 2100695731), (23, 913345970), (46, 456672985), (115, 182669194), (230, 91334597), (4231, 4965010), (8462, 2482505), (21155, 993002), (21587, 973130), (42310, 496501), (43174, 486565), (97313, 215870), (107935, 194626)]