21498036

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{6917}}^1$

素因数の和:6968

約数の個数: 48

約数和(自身を含む): 58886016

約数和(自身を除く): 37387980

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 111, 148, 222, 259, 444, 518, 777, 1036, 1554, 3108, 6917, 13834, 20751, 27668, 41502, 48419, 83004, 96838, 145257, 193676, 255929, 290514, 511858, 581028, 767787, 1023716, 1535574, 1791503, 3071148, 3583006, 5374509, 7166012, 10749018, 21498036]

約数ペア:

[(1, 21498036), (2, 10749018), (3, 7166012), (4, 5374509), (6, 3583006), (7, 3071148), (12, 1791503), (14, 1535574), (21, 1023716), (28, 767787), (37, 581028), (42, 511858), (74, 290514), (84, 255929), (111, 193676), (148, 145257), (222, 96838), (259, 83004), (444, 48419), (518, 41502), (777, 27668), (1036, 20751), (1554, 13834), (3108, 6917)]