21250082

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1$

素因数の和:386

約数の個数: 32

約数和(自身を含む): 37497600

約数和(自身を除く): 16247518

約数列:

[1, 2, 7, 14, 61, 122, 149, 167, 298, 334, 427, 854, 1043, 1169, 2086, 2338, 9089, 10187, 18178, 20374, 24883, 49766, 63623, 71309, 127246, 142618, 174181, 348362, 1517863, 3035726, 10625041, 21250082]

約数ペア:

[(1, 21250082), (2, 10625041), (7, 3035726), (14, 1517863), (61, 348362), (122, 174181), (149, 142618), (167, 127246), (298, 71309), (334, 63623), (427, 49766), (854, 24883), (1043, 20374), (1169, 18178), (2086, 10187), (2338, 9089)]