21764236

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{733}}^1$

素因数の和:1321

約数の個数: 24

約数和(自身を含む): 41145104

約数和(自身を除く): 19380868

約数列:

[1, 2, 4, 13, 26, 52, 571, 733, 1142, 1466, 2284, 2932, 7423, 9529, 14846, 19058, 29692, 38116, 418543, 837086, 1674172, 5441059, 10882118, 21764236]

約数ペア:

[(1, 21764236), (2, 10882118), (4, 5441059), (13, 1674172), (26, 837086), (52, 418543), (571, 38116), (733, 29692), (1142, 19058), (1466, 14846), (2284, 9529), (2932, 7423)]