21223038

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1$

素因数の和:321

約数の個数: 64

約数和(自身を含む): 48522240

約数和(自身を除く): 27299202

約数列:

[1, 2, 3, 6, 17, 19, 34, 38, 47, 51, 57, 94, 102, 114, 141, 233, 282, 323, 466, 646, 699, 799, 893, 969, 1398, 1598, 1786, 1938, 2397, 2679, 3961, 4427, 4794, 5358, 7922, 8854, 10951, 11883, 13281, 15181, 21902, 23766, 26562, 30362, 32853, 45543, 65706, 75259, 91086, 150518, 186167, 208069, 225777, 372334, 416138, 451554, 558501, 624207, 1117002, 1248414, 3537173, 7074346, 10611519, 21223038]

約数ペア:

[(1, 21223038), (2, 10611519), (3, 7074346), (6, 3537173), (17, 1248414), (19, 1117002), (34, 624207), (38, 558501), (47, 451554), (51, 416138), (57, 372334), (94, 225777), (102, 208069), (114, 186167), (141, 150518), (233, 91086), (282, 75259), (323, 65706), (466, 45543), (646, 32853), (699, 30362), (799, 26562), (893, 23766), (969, 21902), (1398, 15181), (1598, 13281), (1786, 11883), (1938, 10951), (2397, 8854), (2679, 7922), (3961, 5358), (4427, 4794)]