21636712

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{1091}}^1$

素因数の和:1201

約数の個数: 32

約数和(自身を含む): 42325920

約数和(自身を除く): 20689208

約数列:

[1, 2, 4, 8, 37, 67, 74, 134, 148, 268, 296, 536, 1091, 2182, 2479, 4364, 4958, 8728, 9916, 19832, 40367, 73097, 80734, 146194, 161468, 292388, 322936, 584776, 2704589, 5409178, 10818356, 21636712]

約数ペア:

[(1, 21636712), (2, 10818356), (4, 5409178), (8, 2704589), (37, 584776), (67, 322936), (74, 292388), (134, 161468), (148, 146194), (268, 80734), (296, 73097), (536, 40367), (1091, 19832), (2182, 9916), (2479, 8728), (4364, 4958)]