21777522

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{151}}^1$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 48339648

約数和(自身を除く): 26562126

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 151, 258, 302, 453, 559, 906, 1118, 1677, 1849, 1963, 3354, 3698, 3926, 5547, 5889, 6493, 11094, 11778, 12986, 19479, 24037, 38958, 48074, 72111, 84409, 144222, 168818, 253227, 279199, 506454, 558398, 837597, 1675194, 3629587, 7259174, 10888761, 21777522]

約数ペア:

[(1, 21777522), (2, 10888761), (3, 7259174), (6, 3629587), (13, 1675194), (26, 837597), (39, 558398), (43, 506454), (78, 279199), (86, 253227), (129, 168818), (151, 144222), (258, 84409), (302, 72111), (453, 48074), (559, 38958), (906, 24037), (1118, 19479), (1677, 12986), (1849, 11778), (1963, 11094), (3354, 6493), (3698, 5889), (3926, 5547)]