21528221344

素因数分解:

$2^5\times 7^2\times {\mathrm{607}}^1\times {\mathrm{22619}}^1$

素因数の和:23250

約数の個数: 72

約数和(自身を含む): 49386879360

約数和(自身を除く): 27858658016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 607, 784, 1214, 1568, 2428, 4249, 4856, 8498, 9712, 16996, 19424, 22619, 29743, 33992, 45238, 59486, 67984, 90476, 118972, 135968, 158333, 180952, 237944, 316666, 361904, 475888, 633332, 723808, 951776, 1108331, 1266664, 2216662, 2533328, 4433324, 5066656, 8866648, 13729733, 17733296, 27459466, 35466592, 54918932, 96108131, 109837864, 192216262, 219675728, 384432524, 439351456, 672756917, 768865048, 1345513834, 1537730096, 2691027668, 3075460192, 5382055336, 10764110672, 21528221344]

約数ペア:

[(1, 21528221344), (2, 10764110672), (4, 5382055336), (7, 3075460192), (8, 2691027668), (14, 1537730096), (16, 1345513834), (28, 768865048), (32, 672756917), (49, 439351456), (56, 384432524), (98, 219675728), (112, 192216262), (196, 109837864), (224, 96108131), (392, 54918932), (607, 35466592), (784, 27459466), (1214, 17733296), (1568, 13729733), (2428, 8866648), (4249, 5066656), (4856, 4433324), (8498, 2533328), (9712, 2216662), (16996, 1266664), (19424, 1108331), (22619, 951776), (29743, 723808), (33992, 633332), (45238, 475888), (59486, 361904), (67984, 316666), (90476, 237944), (118972, 180952), (135968, 158333)]