21880908

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:404

約数の個数: 96

約数和(自身を含む): 65694720

約数和(自身を除く): 43813812

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 103, 108, 126, 189, 206, 252, 281, 309, 378, 412, 562, 618, 721, 756, 843, 927, 1124, 1236, 1442, 1686, 1854, 1967, 2163, 2529, 2781, 2884, 3372, 3708, 3934, 4326, 5058, 5562, 5901, 6489, 7587, 7868, 8652, 10116, 11124, 11802, 12978, 15174, 17703, 19467, 23604, 25956, 28943, 30348, 35406, 38934, 53109, 57886, 70812, 77868, 86829, 106218, 115772, 173658, 202601, 212436, 260487, 347316, 405202, 520974, 607803, 781461, 810404, 1041948, 1215606, 1562922, 1823409, 2431212, 3125844, 3646818, 5470227, 7293636, 10940454, 21880908]

約数ペア:

[(1, 21880908), (2, 10940454), (3, 7293636), (4, 5470227), (6, 3646818), (7, 3125844), (9, 2431212), (12, 1823409), (14, 1562922), (18, 1215606), (21, 1041948), (27, 810404), (28, 781461), (36, 607803), (42, 520974), (54, 405202), (63, 347316), (84, 260487), (103, 212436), (108, 202601), (126, 173658), (189, 115772), (206, 106218), (252, 86829), (281, 77868), (309, 70812), (378, 57886), (412, 53109), (562, 38934), (618, 35406), (721, 30348), (756, 28943), (843, 25956), (927, 23604), (1124, 19467), (1236, 17703), (1442, 15174), (1686, 12978), (1854, 11802), (1967, 11124), (2163, 10116), (2529, 8652), (2781, 7868), (2884, 7587), (3372, 6489), (3708, 5901), (3934, 5562), (4326, 5058)]