21012252

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{587}}^1$

素因数の和:770

約数の個数: 48

約数和(自身を含む): 52026240

約数和(自身を除く): 31013988

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 157, 228, 314, 471, 587, 628, 942, 1174, 1761, 1884, 2348, 2983, 3522, 5966, 7044, 8949, 11153, 11932, 17898, 22306, 33459, 35796, 44612, 66918, 92159, 133836, 184318, 276477, 368636, 552954, 1105908, 1751021, 3502042, 5253063, 7004084, 10506126, 21012252]

約数ペア:

[(1, 21012252), (2, 10506126), (3, 7004084), (4, 5253063), (6, 3502042), (12, 1751021), (19, 1105908), (38, 552954), (57, 368636), (76, 276477), (114, 184318), (157, 133836), (228, 92159), (314, 66918), (471, 44612), (587, 35796), (628, 33459), (942, 22306), (1174, 17898), (1761, 11932), (1884, 11153), (2348, 8949), (2983, 7044), (3522, 5966)]