21497112

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1$

素因数の和:242

約数の個数: 192

約数和(自身を含む): 76265280

約数和(自身を除く): 54768168

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 17, 18, 21, 24, 26, 28, 34, 36, 39, 42, 51, 52, 56, 63, 68, 72, 78, 84, 91, 102, 104, 117, 119, 126, 136, 153, 156, 168, 182, 193, 204, 221, 234, 238, 252, 273, 306, 312, 357, 364, 386, 408, 442, 468, 476, 504, 546, 579, 612, 663, 714, 728, 772, 819, 884, 936, 952, 1071, 1092, 1158, 1224, 1326, 1351, 1428, 1544, 1547, 1638, 1737, 1768, 1989, 2142, 2184, 2316, 2509, 2652, 2702, 2856, 3094, 3276, 3281, 3474, 3978, 4053, 4284, 4632, 4641, 5018, 5304, 5404, 6188, 6552, 6562, 6948, 7527, 7956, 8106, 8568, 9282, 9843, 10036, 10808, 12159, 12376, 13124, 13896, 13923, 15054, 15912, 16212, 17563, 18564, 19686, 20072, 22581, 22967, 24318, 26248, 27846, 29529, 30108, 32424, 35126, 37128, 39372, 42653, 45162, 45934, 48636, 52689, 55692, 59058, 60216, 68901, 70252, 78744, 85306, 90324, 91868, 97272, 105378, 111384, 118116, 127959, 137802, 140504, 158067, 170612, 180648, 183736, 206703, 210756, 236232, 255918, 275604, 298571, 316134, 341224, 383877, 413406, 421512, 511836, 551208, 597142, 632268, 767754, 826812, 895713, 1023672, 1194284, 1264536, 1535508, 1653624, 1791426, 2388568, 2687139, 3071016, 3582852, 5374278, 7165704, 10748556, 21497112]

約数ペア:

[(1, 21497112), (2, 10748556), (3, 7165704), (4, 5374278), (6, 3582852), (7, 3071016), (8, 2687139), (9, 2388568), (12, 1791426), (13, 1653624), (14, 1535508), (17, 1264536), (18, 1194284), (21, 1023672), (24, 895713), (26, 826812), (28, 767754), (34, 632268), (36, 597142), (39, 551208), (42, 511836), (51, 421512), (52, 413406), (56, 383877), (63, 341224), (68, 316134), (72, 298571), (78, 275604), (84, 255918), (91, 236232), (102, 210756), (104, 206703), (117, 183736), (119, 180648), (126, 170612), (136, 158067), (153, 140504), (156, 137802), (168, 127959), (182, 118116), (193, 111384), (204, 105378), (221, 97272), (234, 91868), (238, 90324), (252, 85306), (273, 78744), (306, 70252), (312, 68901), (357, 60216), (364, 59058), (386, 55692), (408, 52689), (442, 48636), (468, 45934), (476, 45162), (504, 42653), (546, 39372), (579, 37128), (612, 35126), (663, 32424), (714, 30108), (728, 29529), (772, 27846), (819, 26248), (884, 24318), (936, 22967), (952, 22581), (1071, 20072), (1092, 19686), (1158, 18564), (1224, 17563), (1326, 16212), (1351, 15912), (1428, 15054), (1544, 13923), (1547, 13896), (1638, 13124), (1737, 12376), (1768, 12159), (1989, 10808), (2142, 10036), (2184, 9843), (2316, 9282), (2509, 8568), (2652, 8106), (2702, 7956), (2856, 7527), (3094, 6948), (3276, 6562), (3281, 6552), (3474, 6188), (3978, 5404), (4053, 5304), (4284, 5018), (4632, 4641)]