21568140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3631}}^1$

素因数の和:3660

約数の個数: 96

約数和(自身を含む): 73221120

約数和(自身を除く): 51652980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 108, 110, 132, 135, 165, 180, 198, 220, 270, 297, 330, 396, 495, 540, 594, 660, 990, 1188, 1485, 1980, 2970, 3631, 5940, 7262, 10893, 14524, 18155, 21786, 32679, 36310, 39941, 43572, 54465, 65358, 72620, 79882, 98037, 108930, 119823, 130716, 159764, 163395, 196074, 199705, 217860, 239646, 326790, 359469, 392148, 399410, 479292, 490185, 599115, 653580, 718938, 798820, 980370, 1078407, 1198230, 1437876, 1797345, 1960740, 2156814, 2396460, 3594690, 4313628, 5392035, 7189380, 10784070, 21568140]

約数ペア:

[(1, 21568140), (2, 10784070), (3, 7189380), (4, 5392035), (5, 4313628), (6, 3594690), (9, 2396460), (10, 2156814), (11, 1960740), (12, 1797345), (15, 1437876), (18, 1198230), (20, 1078407), (22, 980370), (27, 798820), (30, 718938), (33, 653580), (36, 599115), (44, 490185), (45, 479292), (54, 399410), (55, 392148), (60, 359469), (66, 326790), (90, 239646), (99, 217860), (108, 199705), (110, 196074), (132, 163395), (135, 159764), (165, 130716), (180, 119823), (198, 108930), (220, 98037), (270, 79882), (297, 72620), (330, 65358), (396, 54465), (495, 43572), (540, 39941), (594, 36310), (660, 32679), (990, 21786), (1188, 18155), (1485, 14524), (1980, 10893), (2970, 7262), (3631, 5940)]