21764232

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:256

約数の個数: 144

約数和(自身を含む): 71136000

約数和(自身を除く): 49371768

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 31, 36, 42, 49, 56, 62, 63, 72, 84, 93, 98, 124, 126, 147, 168, 186, 196, 199, 217, 248, 252, 279, 294, 372, 392, 398, 434, 441, 504, 558, 588, 597, 651, 744, 796, 868, 882, 1116, 1176, 1194, 1302, 1393, 1519, 1592, 1736, 1764, 1791, 1953, 2232, 2388, 2604, 2786, 3038, 3528, 3582, 3906, 4179, 4557, 4776, 5208, 5572, 6076, 6169, 7164, 7812, 8358, 9114, 9751, 11144, 12152, 12338, 12537, 13671, 14328, 15624, 16716, 18228, 18507, 19502, 24676, 25074, 27342, 29253, 33432, 36456, 37014, 39004, 43183, 49352, 50148, 54684, 55521, 58506, 74028, 78008, 86366, 87759, 100296, 109368, 111042, 117012, 129549, 148056, 172732, 175518, 222084, 234024, 259098, 302281, 345464, 351036, 388647, 444168, 518196, 604562, 702072, 777294, 906843, 1036392, 1209124, 1554588, 1813686, 2418248, 2720529, 3109176, 3627372, 5441058, 7254744, 10882116, 21764232]

約数ペア:

[(1, 21764232), (2, 10882116), (3, 7254744), (4, 5441058), (6, 3627372), (7, 3109176), (8, 2720529), (9, 2418248), (12, 1813686), (14, 1554588), (18, 1209124), (21, 1036392), (24, 906843), (28, 777294), (31, 702072), (36, 604562), (42, 518196), (49, 444168), (56, 388647), (62, 351036), (63, 345464), (72, 302281), (84, 259098), (93, 234024), (98, 222084), (124, 175518), (126, 172732), (147, 148056), (168, 129549), (186, 117012), (196, 111042), (199, 109368), (217, 100296), (248, 87759), (252, 86366), (279, 78008), (294, 74028), (372, 58506), (392, 55521), (398, 54684), (434, 50148), (441, 49352), (504, 43183), (558, 39004), (588, 37014), (597, 36456), (651, 33432), (744, 29253), (796, 27342), (868, 25074), (882, 24676), (1116, 19502), (1176, 18507), (1194, 18228), (1302, 16716), (1393, 15624), (1519, 14328), (1592, 13671), (1736, 12537), (1764, 12338), (1791, 12152), (1953, 11144), (2232, 9751), (2388, 9114), (2604, 8358), (2786, 7812), (3038, 7164), (3528, 6169), (3582, 6076), (3906, 5572), (4179, 5208), (4557, 4776)]