21716496

素因数分解:

$2^4\times 3^2\times {\mathrm{239}}^1\times {\mathrm{631}}^1$

素因数の和:884

約数の個数: 60

約数和(自身を含む): 61127040

約数和(自身を除く): 39410544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 239, 478, 631, 717, 956, 1262, 1434, 1893, 1912, 2151, 2524, 2868, 3786, 3824, 4302, 5048, 5679, 5736, 7572, 8604, 10096, 11358, 11472, 15144, 17208, 22716, 30288, 34416, 45432, 90864, 150809, 301618, 452427, 603236, 904854, 1206472, 1357281, 1809708, 2412944, 2714562, 3619416, 5429124, 7238832, 10858248, 21716496]

約数ペア:

[(1, 21716496), (2, 10858248), (3, 7238832), (4, 5429124), (6, 3619416), (8, 2714562), (9, 2412944), (12, 1809708), (16, 1357281), (18, 1206472), (24, 904854), (36, 603236), (48, 452427), (72, 301618), (144, 150809), (239, 90864), (478, 45432), (631, 34416), (717, 30288), (956, 22716), (1262, 17208), (1434, 15144), (1893, 11472), (1912, 11358), (2151, 10096), (2524, 8604), (2868, 7572), (3786, 5736), (3824, 5679), (4302, 5048)]