21101958

素因数分解:

$2^1\times 3^4\times {\mathrm{130259}}^1$

素因数の和:130273

約数の個数: 20

約数和(自身を含む): 47284380

約数和(自身を除く): 26182422

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 130259, 260518, 390777, 781554, 1172331, 2344662, 3516993, 7033986, 10550979, 21101958]

約数ペア:

[(1, 21101958), (2, 10550979), (3, 7033986), (6, 3516993), (9, 2344662), (18, 1172331), (27, 781554), (54, 390777), (81, 260518), (162, 130259)]