21168394

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{587}}^1$

素因数の和:694

約数の個数: 32

約数和(自身を含む): 36550080

約数和(自身を除く): 15381686

約数列:

[1, 2, 13, 19, 26, 38, 73, 146, 247, 494, 587, 949, 1174, 1387, 1898, 2774, 7631, 11153, 15262, 18031, 22306, 36062, 42851, 85702, 144989, 289978, 557063, 814169, 1114126, 1628338, 10584197, 21168394]

約数ペア:

[(1, 21168394), (2, 10584197), (13, 1628338), (19, 1114126), (26, 814169), (38, 557063), (73, 289978), (146, 144989), (247, 85702), (494, 42851), (587, 36062), (949, 22306), (1174, 18031), (1387, 15262), (1898, 11153), (2774, 7631)]