21096864

素因数分解:

$2^5\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:203

約数の個数: 144

約数和(自身を含む): 66044160

約数和(自身を除く): 44947296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 31, 32, 34, 36, 48, 51, 62, 68, 72, 93, 96, 102, 124, 136, 139, 144, 153, 186, 204, 248, 272, 278, 279, 288, 306, 372, 408, 417, 496, 527, 544, 556, 558, 612, 744, 816, 834, 992, 1054, 1112, 1116, 1224, 1251, 1488, 1581, 1632, 1668, 2108, 2224, 2232, 2363, 2448, 2502, 2976, 3162, 3336, 4216, 4309, 4448, 4464, 4726, 4743, 4896, 5004, 6324, 6672, 7089, 8432, 8618, 8928, 9452, 9486, 10008, 12648, 12927, 13344, 14178, 16864, 17236, 18904, 18972, 20016, 21267, 25296, 25854, 28356, 34472, 37808, 37944, 38781, 40032, 42534, 50592, 51708, 56712, 68944, 73253, 75616, 75888, 77562, 85068, 103416, 113424, 137888, 146506, 151776, 155124, 170136, 206832, 219759, 226848, 293012, 310248, 340272, 413664, 439518, 586024, 620496, 659277, 680544, 879036, 1172048, 1240992, 1318554, 1758072, 2344096, 2637108, 3516144, 5274216, 7032288, 10548432, 21096864]

約数ペア:

[(1, 21096864), (2, 10548432), (3, 7032288), (4, 5274216), (6, 3516144), (8, 2637108), (9, 2344096), (12, 1758072), (16, 1318554), (17, 1240992), (18, 1172048), (24, 879036), (31, 680544), (32, 659277), (34, 620496), (36, 586024), (48, 439518), (51, 413664), (62, 340272), (68, 310248), (72, 293012), (93, 226848), (96, 219759), (102, 206832), (124, 170136), (136, 155124), (139, 151776), (144, 146506), (153, 137888), (186, 113424), (204, 103416), (248, 85068), (272, 77562), (278, 75888), (279, 75616), (288, 73253), (306, 68944), (372, 56712), (408, 51708), (417, 50592), (496, 42534), (527, 40032), (544, 38781), (556, 37944), (558, 37808), (612, 34472), (744, 28356), (816, 25854), (834, 25296), (992, 21267), (1054, 20016), (1112, 18972), (1116, 18904), (1224, 17236), (1251, 16864), (1488, 14178), (1581, 13344), (1632, 12927), (1668, 12648), (2108, 10008), (2224, 9486), (2232, 9452), (2363, 8928), (2448, 8618), (2502, 8432), (2976, 7089), (3162, 6672), (3336, 6324), (4216, 5004), (4309, 4896), (4448, 4743), (4464, 4726)]