21532852

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{599}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 44352000

約数和(自身を除く): 22819148

約数列:

[1, 2, 4, 11, 19, 22, 38, 43, 44, 76, 86, 172, 209, 418, 473, 599, 817, 836, 946, 1198, 1634, 1892, 2396, 3268, 6589, 8987, 11381, 13178, 17974, 22762, 25757, 26356, 35948, 45524, 51514, 103028, 125191, 250382, 283327, 489383, 500764, 566654, 978766, 1133308, 1957532, 5383213, 10766426, 21532852]

約数ペア:

[(1, 21532852), (2, 10766426), (4, 5383213), (11, 1957532), (19, 1133308), (22, 978766), (38, 566654), (43, 500764), (44, 489383), (76, 283327), (86, 250382), (172, 125191), (209, 103028), (418, 51514), (473, 45524), (599, 35948), (817, 26356), (836, 25757), (946, 22762), (1198, 17974), (1634, 13178), (1892, 11381), (2396, 8987), (3268, 6589)]