21143070

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1063}}^1$

素因数の和:1106

約数の個数: 96

約数和(自身を含む): 62741952

約数和(自身を除く): 41598882

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 26, 30, 34, 39, 45, 51, 65, 78, 85, 90, 102, 117, 130, 153, 170, 195, 221, 234, 255, 306, 390, 442, 510, 585, 663, 765, 1063, 1105, 1170, 1326, 1530, 1989, 2126, 2210, 3189, 3315, 3978, 5315, 6378, 6630, 9567, 9945, 10630, 13819, 15945, 18071, 19134, 19890, 27638, 31890, 36142, 41457, 47835, 54213, 69095, 82914, 90355, 95670, 108426, 124371, 138190, 162639, 180710, 207285, 234923, 248742, 271065, 325278, 414570, 469846, 542130, 621855, 704769, 813195, 1174615, 1243710, 1409538, 1626390, 2114307, 2349230, 3523845, 4228614, 7047690, 10571535, 21143070]

約数ペア:

[(1, 21143070), (2, 10571535), (3, 7047690), (5, 4228614), (6, 3523845), (9, 2349230), (10, 2114307), (13, 1626390), (15, 1409538), (17, 1243710), (18, 1174615), (26, 813195), (30, 704769), (34, 621855), (39, 542130), (45, 469846), (51, 414570), (65, 325278), (78, 271065), (85, 248742), (90, 234923), (102, 207285), (117, 180710), (130, 162639), (153, 138190), (170, 124371), (195, 108426), (221, 95670), (234, 90355), (255, 82914), (306, 69095), (390, 54213), (442, 47835), (510, 41457), (585, 36142), (663, 31890), (765, 27638), (1063, 19890), (1105, 19134), (1170, 18071), (1326, 15945), (1530, 13819), (1989, 10630), (2126, 9945), (2210, 9567), (3189, 6630), (3315, 6378), (3978, 5315)]