21984368

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10331}}^1$

素因数の和:10365

約数の個数: 40

約数和(自身を含む): 51246720

約数和(自身を除く): 29262352

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 10331, 20662, 41324, 72317, 82648, 144634, 165296, 196289, 289268, 392578, 578536, 785156, 1157072, 1374023, 1570312, 2748046, 3140624, 5496092, 10992184, 21984368]

約数ペア:

[(1, 21984368), (2, 10992184), (4, 5496092), (7, 3140624), (8, 2748046), (14, 1570312), (16, 1374023), (19, 1157072), (28, 785156), (38, 578536), (56, 392578), (76, 289268), (112, 196289), (133, 165296), (152, 144634), (266, 82648), (304, 72317), (532, 41324), (1064, 20662), (2128, 10331)]