21490168308

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{479}}^1\times {\mathrm{12421}}^1$

素因数の和:12957

約数の個数: 96

約数和(自身を含む): 58766991360

約数和(自身を除く): 37276823052

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 258, 301, 479, 516, 602, 903, 958, 1204, 1437, 1806, 1916, 2874, 3353, 3612, 5748, 6706, 10059, 12421, 13412, 20118, 20597, 24842, 37263, 40236, 41194, 49684, 61791, 74526, 82388, 86947, 123582, 144179, 149052, 173894, 247164, 260841, 288358, 347788, 432537, 521682, 534103, 576716, 865074, 1043364, 1068206, 1602309, 1730148, 2136412, 3204618, 3738721, 5949659, 6409236, 7477442, 11216163, 11899318, 14954884, 17848977, 22432326, 23798636, 35697954, 41647613, 44864652, 71395908, 83295226, 124942839, 166590452, 249885678, 255835337, 499771356, 511670674, 767506011, 1023341348, 1535012022, 1790847359, 3070024044, 3581694718, 5372542077, 7163389436, 10745084154, 21490168308]

約数ペア:

[(1, 21490168308), (2, 10745084154), (3, 7163389436), (4, 5372542077), (6, 3581694718), (7, 3070024044), (12, 1790847359), (14, 1535012022), (21, 1023341348), (28, 767506011), (42, 511670674), (43, 499771356), (84, 255835337), (86, 249885678), (129, 166590452), (172, 124942839), (258, 83295226), (301, 71395908), (479, 44864652), (516, 41647613), (602, 35697954), (903, 23798636), (958, 22432326), (1204, 17848977), (1437, 14954884), (1806, 11899318), (1916, 11216163), (2874, 7477442), (3353, 6409236), (3612, 5949659), (5748, 3738721), (6706, 3204618), (10059, 2136412), (12421, 1730148), (13412, 1602309), (20118, 1068206), (20597, 1043364), (24842, 865074), (37263, 576716), (40236, 534103), (41194, 521682), (49684, 432537), (61791, 347788), (74526, 288358), (82388, 260841), (86947, 247164), (123582, 173894), (144179, 149052)]