21649140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{853}}^1$

素因数の和:918

約数の個数: 96

約数和(自身を含む): 68866560

約数和(自身を除く): 47217420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 47, 54, 60, 90, 94, 108, 135, 141, 180, 188, 235, 270, 282, 423, 470, 540, 564, 705, 846, 853, 940, 1269, 1410, 1692, 1706, 2115, 2538, 2559, 2820, 3412, 4230, 4265, 5076, 5118, 6345, 7677, 8460, 8530, 10236, 12690, 12795, 15354, 17060, 23031, 25380, 25590, 30708, 38385, 40091, 46062, 51180, 76770, 80182, 92124, 115155, 120273, 153540, 160364, 200455, 230310, 240546, 360819, 400910, 460620, 481092, 601365, 721638, 801820, 1082457, 1202730, 1443276, 1804095, 2164914, 2405460, 3608190, 4329828, 5412285, 7216380, 10824570, 21649140]

約数ペア:

[(1, 21649140), (2, 10824570), (3, 7216380), (4, 5412285), (5, 4329828), (6, 3608190), (9, 2405460), (10, 2164914), (12, 1804095), (15, 1443276), (18, 1202730), (20, 1082457), (27, 801820), (30, 721638), (36, 601365), (45, 481092), (47, 460620), (54, 400910), (60, 360819), (90, 240546), (94, 230310), (108, 200455), (135, 160364), (141, 153540), (180, 120273), (188, 115155), (235, 92124), (270, 80182), (282, 76770), (423, 51180), (470, 46062), (540, 40091), (564, 38385), (705, 30708), (846, 25590), (853, 25380), (940, 23031), (1269, 17060), (1410, 15354), (1692, 12795), (1706, 12690), (2115, 10236), (2538, 8530), (2559, 8460), (2820, 7677), (3412, 6345), (4230, 5118), (4265, 5076)]