21673992

素因数分解:

$2^3\times 3^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 55944000

約数和(自身を除く): 34270008

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 73, 89, 139, 146, 178, 219, 267, 278, 292, 356, 417, 438, 534, 556, 584, 712, 834, 876, 1068, 1112, 1668, 1752, 2136, 3336, 6497, 10147, 12371, 12994, 19491, 20294, 24742, 25988, 30441, 37113, 38982, 40588, 49484, 51976, 60882, 74226, 77964, 81176, 98968, 121764, 148452, 155928, 243528, 296904, 903083, 1806166, 2709249, 3612332, 5418498, 7224664, 10836996, 21673992]

約数ペア:

[(1, 21673992), (2, 10836996), (3, 7224664), (4, 5418498), (6, 3612332), (8, 2709249), (12, 1806166), (24, 903083), (73, 296904), (89, 243528), (139, 155928), (146, 148452), (178, 121764), (219, 98968), (267, 81176), (278, 77964), (292, 74226), (356, 60882), (417, 51976), (438, 49484), (534, 40588), (556, 38982), (584, 37113), (712, 30441), (834, 25988), (876, 24742), (1068, 20294), (1112, 19491), (1668, 12994), (1752, 12371), (2136, 10147), (3336, 6497)]