21015936

素因数分解:

$2^7\times 3^4\times {\mathrm{2027}}^1$

素因数の和:2053

約数の個数: 80

約数和(自身を含む): 62573940

約数和(自身を除く): 41558004

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 288, 324, 384, 432, 576, 648, 864, 1152, 1296, 1728, 2027, 2592, 3456, 4054, 5184, 6081, 8108, 10368, 12162, 16216, 18243, 24324, 32432, 36486, 48648, 54729, 64864, 72972, 97296, 109458, 129728, 145944, 164187, 194592, 218916, 259456, 291888, 328374, 389184, 437832, 583776, 656748, 778368, 875664, 1167552, 1313496, 1751328, 2335104, 2626992, 3502656, 5253984, 7005312, 10507968, 21015936]

約数ペア:

[(1, 21015936), (2, 10507968), (3, 7005312), (4, 5253984), (6, 3502656), (8, 2626992), (9, 2335104), (12, 1751328), (16, 1313496), (18, 1167552), (24, 875664), (27, 778368), (32, 656748), (36, 583776), (48, 437832), (54, 389184), (64, 328374), (72, 291888), (81, 259456), (96, 218916), (108, 194592), (128, 164187), (144, 145944), (162, 129728), (192, 109458), (216, 97296), (288, 72972), (324, 64864), (384, 54729), (432, 48648), (576, 36486), (648, 32432), (864, 24324), (1152, 18243), (1296, 16216), (1728, 12162), (2027, 10368), (2592, 8108), (3456, 6081), (4054, 5184)]