21466620

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{631}}^1$

素因数の和:662

約数の個数: 144

約数和(自身を含む): 77296128

約数和(自身を除く): 55829508

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 631, 756, 810, 945, 972, 1134, 1215, 1260, 1262, 1620, 1701, 1890, 1893, 2268, 2430, 2524, 2835, 3155, 3402, 3780, 3786, 4417, 4860, 5670, 5679, 6310, 6804, 7572, 8505, 8834, 9465, 11340, 11358, 12620, 13251, 17010, 17037, 17668, 18930, 22085, 22716, 26502, 28395, 34020, 34074, 37860, 39753, 44170, 51111, 53004, 56790, 66255, 68148, 79506, 85185, 88340, 102222, 113580, 119259, 132510, 153333, 159012, 170370, 198765, 204444, 238518, 255555, 265020, 306666, 340740, 357777, 397530, 477036, 511110, 596295, 613332, 715554, 766665, 795060, 1022220, 1073331, 1192590, 1431108, 1533330, 1788885, 2146662, 2385180, 3066660, 3577770, 4293324, 5366655, 7155540, 10733310, 21466620]

約数ペア:

[(1, 21466620), (2, 10733310), (3, 7155540), (4, 5366655), (5, 4293324), (6, 3577770), (7, 3066660), (9, 2385180), (10, 2146662), (12, 1788885), (14, 1533330), (15, 1431108), (18, 1192590), (20, 1073331), (21, 1022220), (27, 795060), (28, 766665), (30, 715554), (35, 613332), (36, 596295), (42, 511110), (45, 477036), (54, 397530), (60, 357777), (63, 340740), (70, 306666), (81, 265020), (84, 255555), (90, 238518), (105, 204444), (108, 198765), (126, 170370), (135, 159012), (140, 153333), (162, 132510), (180, 119259), (189, 113580), (210, 102222), (243, 88340), (252, 85185), (270, 79506), (315, 68148), (324, 66255), (378, 56790), (405, 53004), (420, 51111), (486, 44170), (540, 39753), (567, 37860), (630, 34074), (631, 34020), (756, 28395), (810, 26502), (945, 22716), (972, 22085), (1134, 18930), (1215, 17668), (1260, 17037), (1262, 17010), (1620, 13251), (1701, 12620), (1890, 11358), (1893, 11340), (2268, 9465), (2430, 8834), (2524, 8505), (2835, 7572), (3155, 6804), (3402, 6310), (3780, 5679), (3786, 5670), (4417, 4860)]