21813624

素因数分解:

$2^3\times 3^5\times 7^2\times {\mathrm{229}}^1$

素因数の和:264

約数の個数: 144

約数和(自身を含む): 71580600

約数和(自身を除く): 49766976

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 49, 54, 56, 63, 72, 81, 84, 98, 108, 126, 147, 162, 168, 189, 196, 216, 229, 243, 252, 294, 324, 378, 392, 441, 458, 486, 504, 567, 588, 648, 687, 756, 882, 916, 972, 1134, 1176, 1323, 1374, 1512, 1603, 1701, 1764, 1832, 1944, 2061, 2268, 2646, 2748, 3206, 3402, 3528, 3969, 4122, 4536, 4809, 5292, 5496, 6183, 6412, 6804, 7938, 8244, 9618, 10584, 11221, 11907, 12366, 12824, 13608, 14427, 15876, 16488, 18549, 19236, 22442, 23814, 24732, 28854, 31752, 33663, 37098, 38472, 43281, 44884, 47628, 49464, 55647, 57708, 67326, 74196, 86562, 89768, 95256, 100989, 111294, 115416, 129843, 134652, 148392, 173124, 201978, 222588, 259686, 269304, 302967, 346248, 389529, 403956, 445176, 519372, 605934, 779058, 807912, 908901, 1038744, 1211868, 1558116, 1817802, 2423736, 2726703, 3116232, 3635604, 5453406, 7271208, 10906812, 21813624]

約数ペア:

[(1, 21813624), (2, 10906812), (3, 7271208), (4, 5453406), (6, 3635604), (7, 3116232), (8, 2726703), (9, 2423736), (12, 1817802), (14, 1558116), (18, 1211868), (21, 1038744), (24, 908901), (27, 807912), (28, 779058), (36, 605934), (42, 519372), (49, 445176), (54, 403956), (56, 389529), (63, 346248), (72, 302967), (81, 269304), (84, 259686), (98, 222588), (108, 201978), (126, 173124), (147, 148392), (162, 134652), (168, 129843), (189, 115416), (196, 111294), (216, 100989), (229, 95256), (243, 89768), (252, 86562), (294, 74196), (324, 67326), (378, 57708), (392, 55647), (441, 49464), (458, 47628), (486, 44884), (504, 43281), (567, 38472), (588, 37098), (648, 33663), (687, 31752), (756, 28854), (882, 24732), (916, 23814), (972, 22442), (1134, 19236), (1176, 18549), (1323, 16488), (1374, 15876), (1512, 14427), (1603, 13608), (1701, 12824), (1764, 12366), (1832, 11907), (1944, 11221), (2061, 10584), (2268, 9618), (2646, 8244), (2748, 7938), (3206, 6804), (3402, 6412), (3528, 6183), (3969, 5496), (4122, 5292), (4536, 4809)]