21081492

素因数分解:

$2^2\times 3^3\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:222

約数の個数: 96

約数和(自身を含む): 58060800

約数和(自身を除く): 36979308

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 53, 54, 58, 87, 106, 108, 116, 127, 159, 174, 212, 254, 261, 318, 348, 381, 477, 508, 522, 636, 762, 783, 954, 1044, 1143, 1431, 1524, 1537, 1566, 1908, 2286, 2862, 3074, 3132, 3429, 3683, 4572, 4611, 5724, 6148, 6731, 6858, 7366, 9222, 11049, 13462, 13716, 13833, 14732, 18444, 20193, 22098, 26924, 27666, 33147, 40386, 41499, 44196, 55332, 60579, 66294, 80772, 82998, 99441, 121158, 132588, 165996, 181737, 195199, 198882, 242316, 363474, 390398, 397764, 585597, 726948, 780796, 1171194, 1756791, 2342388, 3513582, 5270373, 7027164, 10540746, 21081492]

約数ペア:

[(1, 21081492), (2, 10540746), (3, 7027164), (4, 5270373), (6, 3513582), (9, 2342388), (12, 1756791), (18, 1171194), (27, 780796), (29, 726948), (36, 585597), (53, 397764), (54, 390398), (58, 363474), (87, 242316), (106, 198882), (108, 195199), (116, 181737), (127, 165996), (159, 132588), (174, 121158), (212, 99441), (254, 82998), (261, 80772), (318, 66294), (348, 60579), (381, 55332), (477, 44196), (508, 41499), (522, 40386), (636, 33147), (762, 27666), (783, 26924), (954, 22098), (1044, 20193), (1143, 18444), (1431, 14732), (1524, 13833), (1537, 13716), (1566, 13462), (1908, 11049), (2286, 9222), (2862, 7366), (3074, 6858), (3132, 6731), (3429, 6148), (3683, 5724), (4572, 4611)]