21623580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:256

約数の個数: 144

約数和(自身を含む): 73067904

約数和(自身を除く): 51444324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 67, 90, 99, 110, 132, 134, 163, 165, 180, 198, 201, 220, 268, 326, 330, 335, 396, 402, 489, 495, 603, 652, 660, 670, 737, 804, 815, 978, 990, 1005, 1206, 1340, 1467, 1474, 1630, 1793, 1956, 1980, 2010, 2211, 2412, 2445, 2934, 2948, 3015, 3260, 3586, 3685, 4020, 4422, 4890, 5379, 5868, 6030, 6633, 7172, 7335, 7370, 8844, 8965, 9780, 10758, 10921, 11055, 12060, 13266, 14670, 14740, 16137, 17930, 21516, 21842, 22110, 26532, 26895, 29340, 32274, 32763, 33165, 35860, 43684, 44220, 53790, 54605, 64548, 65526, 66330, 80685, 98289, 107580, 109210, 120131, 131052, 132660, 161370, 163815, 196578, 218420, 240262, 322740, 327630, 360393, 393156, 480524, 491445, 600655, 655260, 720786, 982890, 1081179, 1201310, 1441572, 1801965, 1965780, 2162358, 2402620, 3603930, 4324716, 5405895, 7207860, 10811790, 21623580]

約数ペア:

[(1, 21623580), (2, 10811790), (3, 7207860), (4, 5405895), (5, 4324716), (6, 3603930), (9, 2402620), (10, 2162358), (11, 1965780), (12, 1801965), (15, 1441572), (18, 1201310), (20, 1081179), (22, 982890), (30, 720786), (33, 655260), (36, 600655), (44, 491445), (45, 480524), (55, 393156), (60, 360393), (66, 327630), (67, 322740), (90, 240262), (99, 218420), (110, 196578), (132, 163815), (134, 161370), (163, 132660), (165, 131052), (180, 120131), (198, 109210), (201, 107580), (220, 98289), (268, 80685), (326, 66330), (330, 65526), (335, 64548), (396, 54605), (402, 53790), (489, 44220), (495, 43684), (603, 35860), (652, 33165), (660, 32763), (670, 32274), (737, 29340), (804, 26895), (815, 26532), (978, 22110), (990, 21842), (1005, 21516), (1206, 17930), (1340, 16137), (1467, 14740), (1474, 14670), (1630, 13266), (1793, 12060), (1956, 11055), (1980, 10921), (2010, 10758), (2211, 9780), (2412, 8965), (2445, 8844), (2934, 7370), (2948, 7335), (3015, 7172), (3260, 6633), (3586, 6030), (3685, 5868), (4020, 5379), (4422, 4890)]