21353100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{653}}^1$

素因数の和:779

約数の個数: 72

約数和(自身を含む): 62443920

約数和(自身を除く): 41090820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 109, 150, 218, 300, 327, 436, 545, 653, 654, 1090, 1306, 1308, 1635, 1959, 2180, 2612, 2725, 3265, 3270, 3918, 5450, 6530, 6540, 7836, 8175, 9795, 10900, 13060, 16325, 16350, 19590, 32650, 32700, 39180, 48975, 65300, 71177, 97950, 142354, 195900, 213531, 284708, 355885, 427062, 711770, 854124, 1067655, 1423540, 1779425, 2135310, 3558850, 4270620, 5338275, 7117700, 10676550, 21353100]

約数ペア:

[(1, 21353100), (2, 10676550), (3, 7117700), (4, 5338275), (5, 4270620), (6, 3558850), (10, 2135310), (12, 1779425), (15, 1423540), (20, 1067655), (25, 854124), (30, 711770), (50, 427062), (60, 355885), (75, 284708), (100, 213531), (109, 195900), (150, 142354), (218, 97950), (300, 71177), (327, 65300), (436, 48975), (545, 39180), (653, 32700), (654, 32650), (1090, 19590), (1306, 16350), (1308, 16325), (1635, 13060), (1959, 10900), (2180, 9795), (2612, 8175), (2725, 7836), (3265, 6540), (3270, 6530), (3918, 5450)]