21493320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{179111}}^1$

素因数の和:179125

約数の個数: 32

約数和(自身を含む): 64480320

約数和(自身を除く): 42987000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 179111, 358222, 537333, 716444, 895555, 1074666, 1432888, 1791110, 2149332, 2686665, 3582220, 4298664, 5373330, 7164440, 10746660, 21493320]

約数ペア:

[(1, 21493320), (2, 10746660), (3, 7164440), (4, 5373330), (5, 4298664), (6, 3582220), (8, 2686665), (10, 2149332), (12, 1791110), (15, 1432888), (20, 1074666), (24, 895555), (30, 716444), (40, 537333), (60, 358222), (120, 179111)]