21298021248

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{7923371}}^1$

素因数の和:7923395

約数の個数: 64

約数和(自身を含む): 64654715520

約数和(自身を除く): 43356694272

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 336, 384, 448, 672, 896, 1344, 2688, 7923371, 15846742, 23770113, 31693484, 47540226, 55463597, 63386968, 95080452, 110927194, 126773936, 166390791, 190160904, 221854388, 253547872, 332781582, 380321808, 443708776, 507095744, 665563164, 760643616, 887417552, 1014191488, 1331126328, 1521287232, 1774835104, 2662252656, 3042574464, 3549670208, 5324505312, 7099340416, 10649010624, 21298021248]

約数ペア:

[(1, 21298021248), (2, 10649010624), (3, 7099340416), (4, 5324505312), (6, 3549670208), (7, 3042574464), (8, 2662252656), (12, 1774835104), (14, 1521287232), (16, 1331126328), (21, 1014191488), (24, 887417552), (28, 760643616), (32, 665563164), (42, 507095744), (48, 443708776), (56, 380321808), (64, 332781582), (84, 253547872), (96, 221854388), (112, 190160904), (128, 166390791), (168, 126773936), (192, 110927194), (224, 95080452), (336, 63386968), (384, 55463597), (448, 47540226), (672, 31693484), (896, 23770113), (1344, 15846742), (2688, 7923371)]