21612258

素因数分解:

$2^1\times 3^4\times {\mathrm{71}}^1\times {\mathrm{1879}}^1$

素因数の和:1964

約数の個数: 40

約数和(自身を含む): 49135680

約数和(自身を除く): 27523422

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 142, 162, 213, 426, 639, 1278, 1879, 1917, 3758, 3834, 5637, 5751, 11274, 11502, 16911, 33822, 50733, 101466, 133409, 152199, 266818, 304398, 400227, 800454, 1200681, 2401362, 3602043, 7204086, 10806129, 21612258]

約数ペア:

[(1, 21612258), (2, 10806129), (3, 7204086), (6, 3602043), (9, 2401362), (18, 1200681), (27, 800454), (54, 400227), (71, 304398), (81, 266818), (142, 152199), (162, 133409), (213, 101466), (426, 50733), (639, 33822), (1278, 16911), (1879, 11502), (1917, 11274), (3758, 5751), (3834, 5637)]