21242592

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:321

約数の個数: 144

約数和(自身を含む): 70997472

約数和(自身を除く): 49754880

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 41, 42, 48, 56, 63, 72, 82, 84, 96, 112, 123, 126, 144, 164, 168, 224, 246, 252, 257, 287, 288, 328, 336, 369, 492, 504, 514, 574, 656, 672, 738, 771, 861, 984, 1008, 1028, 1148, 1312, 1476, 1542, 1722, 1799, 1968, 2016, 2056, 2296, 2313, 2583, 2952, 3084, 3444, 3598, 3936, 4112, 4592, 4626, 5166, 5397, 5904, 6168, 6888, 7196, 8224, 9184, 9252, 10332, 10537, 10794, 11808, 12336, 13776, 14392, 16191, 18504, 20664, 21074, 21588, 24672, 27552, 28784, 31611, 32382, 37008, 41328, 42148, 43176, 57568, 63222, 64764, 73759, 74016, 82656, 84296, 86352, 94833, 126444, 129528, 147518, 168592, 172704, 189666, 221277, 252888, 259056, 295036, 337184, 379332, 442554, 505776, 518112, 590072, 663831, 758664, 885108, 1011552, 1180144, 1327662, 1517328, 1770216, 2360288, 2655324, 3034656, 3540432, 5310648, 7080864, 10621296, 21242592]

約数ペア:

[(1, 21242592), (2, 10621296), (3, 7080864), (4, 5310648), (6, 3540432), (7, 3034656), (8, 2655324), (9, 2360288), (12, 1770216), (14, 1517328), (16, 1327662), (18, 1180144), (21, 1011552), (24, 885108), (28, 758664), (32, 663831), (36, 590072), (41, 518112), (42, 505776), (48, 442554), (56, 379332), (63, 337184), (72, 295036), (82, 259056), (84, 252888), (96, 221277), (112, 189666), (123, 172704), (126, 168592), (144, 147518), (164, 129528), (168, 126444), (224, 94833), (246, 86352), (252, 84296), (257, 82656), (287, 74016), (288, 73759), (328, 64764), (336, 63222), (369, 57568), (492, 43176), (504, 42148), (514, 41328), (574, 37008), (656, 32382), (672, 31611), (738, 28784), (771, 27552), (861, 24672), (984, 21588), (1008, 21074), (1028, 20664), (1148, 18504), (1312, 16191), (1476, 14392), (1542, 13776), (1722, 12336), (1799, 11808), (1968, 10794), (2016, 10537), (2056, 10332), (2296, 9252), (2313, 9184), (2583, 8224), (2952, 7196), (3084, 6888), (3444, 6168), (3598, 5904), (3936, 5397), (4112, 5166), (4592, 4626)]