21234174

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{487}}^1$

素因数の和:561

約数の個数: 48

約数和(自身を含む): 47152512

約数和(自身を除く): 25918338

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 169, 258, 338, 487, 507, 559, 974, 1014, 1118, 1461, 1677, 2922, 3354, 6331, 7267, 12662, 14534, 18993, 20941, 21801, 37986, 41882, 43602, 62823, 82303, 125646, 164606, 246909, 272233, 493818, 544466, 816699, 1633398, 3539029, 7078058, 10617087, 21234174]

約数ペア:

[(1, 21234174), (2, 10617087), (3, 7078058), (6, 3539029), (13, 1633398), (26, 816699), (39, 544466), (43, 493818), (78, 272233), (86, 246909), (129, 164606), (169, 125646), (258, 82303), (338, 62823), (487, 43602), (507, 41882), (559, 37986), (974, 21801), (1014, 20941), (1118, 18993), (1461, 14534), (1677, 12662), (2922, 7267), (3354, 6331)]