21305880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{59183}}^1$

素因数の和:59200

約数の個数: 48

約数和(自身を含む): 69245280

約数和(自身を除く): 47939400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 59183, 118366, 177549, 236732, 295915, 355098, 473464, 532647, 591830, 710196, 887745, 1065294, 1183660, 1420392, 1775490, 2130588, 2367320, 2663235, 3550980, 4261176, 5326470, 7101960, 10652940, 21305880]

約数ペア:

[(1, 21305880), (2, 10652940), (3, 7101960), (4, 5326470), (5, 4261176), (6, 3550980), (8, 2663235), (9, 2367320), (10, 2130588), (12, 1775490), (15, 1420392), (18, 1183660), (20, 1065294), (24, 887745), (30, 710196), (36, 591830), (40, 532647), (45, 473464), (60, 355098), (72, 295915), (90, 236732), (120, 177549), (180, 118366), (360, 59183)]