21425616

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:265

約数の個数: 120

約数和(自身を含む): 64995840

約数和(自身を除く): 43570224

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 41, 48, 57, 72, 76, 82, 114, 123, 144, 152, 164, 171, 191, 228, 246, 304, 328, 342, 369, 382, 456, 492, 573, 656, 684, 738, 764, 779, 912, 984, 1146, 1368, 1476, 1528, 1558, 1719, 1968, 2292, 2337, 2736, 2952, 3056, 3116, 3438, 3629, 4584, 4674, 5904, 6232, 6876, 7011, 7258, 7831, 9168, 9348, 10887, 12464, 13752, 14022, 14516, 15662, 18696, 21774, 23493, 27504, 28044, 29032, 31324, 32661, 37392, 43548, 46986, 56088, 58064, 62648, 65322, 70479, 87096, 93972, 112176, 125296, 130644, 140958, 148789, 174192, 187944, 261288, 281916, 297578, 375888, 446367, 522576, 563832, 595156, 892734, 1127664, 1190312, 1339101, 1785468, 2380624, 2678202, 3570936, 5356404, 7141872, 10712808, 21425616]

約数ペア:

[(1, 21425616), (2, 10712808), (3, 7141872), (4, 5356404), (6, 3570936), (8, 2678202), (9, 2380624), (12, 1785468), (16, 1339101), (18, 1190312), (19, 1127664), (24, 892734), (36, 595156), (38, 563832), (41, 522576), (48, 446367), (57, 375888), (72, 297578), (76, 281916), (82, 261288), (114, 187944), (123, 174192), (144, 148789), (152, 140958), (164, 130644), (171, 125296), (191, 112176), (228, 93972), (246, 87096), (304, 70479), (328, 65322), (342, 62648), (369, 58064), (382, 56088), (456, 46986), (492, 43548), (573, 37392), (656, 32661), (684, 31324), (738, 29032), (764, 28044), (779, 27504), (912, 23493), (984, 21774), (1146, 18696), (1368, 15662), (1476, 14516), (1528, 14022), (1558, 13752), (1719, 12464), (1968, 10887), (2292, 9348), (2337, 9168), (2736, 7831), (2952, 7258), (3056, 7011), (3116, 6876), (3438, 6232), (3629, 5904), (4584, 4674)]