21638916

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{46237}}^1$

素因数の和:46260

約数の個数: 36

約数和(自身を含む): 58907212

約数和(自身を除く): 37268296

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 46237, 92474, 138711, 184948, 277422, 416133, 554844, 601081, 832266, 1202162, 1664532, 1803243, 2404324, 3606486, 5409729, 7212972, 10819458, 21638916]

約数ペア:

[(1, 21638916), (2, 10819458), (3, 7212972), (4, 5409729), (6, 3606486), (9, 2404324), (12, 1803243), (13, 1664532), (18, 1202162), (26, 832266), (36, 601081), (39, 554844), (52, 416133), (78, 277422), (117, 184948), (156, 138711), (234, 92474), (468, 46237)]