21589140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1031}}^1$

素因数の和:1392

約数の個数: 48

約数和(自身を含む): 60681600

約数和(自身を除く): 39092460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 349, 698, 1031, 1047, 1396, 1745, 2062, 2094, 3093, 3490, 4124, 4188, 5155, 5235, 6186, 6980, 10310, 10470, 12372, 15465, 20620, 20940, 30930, 61860, 359819, 719638, 1079457, 1439276, 1799095, 2158914, 3598190, 4317828, 5397285, 7196380, 10794570, 21589140]

約数ペア:

[(1, 21589140), (2, 10794570), (3, 7196380), (4, 5397285), (5, 4317828), (6, 3598190), (10, 2158914), (12, 1799095), (15, 1439276), (20, 1079457), (30, 719638), (60, 359819), (349, 61860), (698, 30930), (1031, 20940), (1047, 20620), (1396, 15465), (1745, 12372), (2062, 10470), (2094, 10310), (3093, 6980), (3490, 6186), (4124, 5235), (4188, 5155)]