21979320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16651}}^1$

素因数の和:16676

約数の個数: 64

約数和(自身を含む): 71936640

約数和(自身を除く): 49957320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 16651, 33302, 49953, 66604, 83255, 99906, 133208, 166510, 183161, 199812, 249765, 333020, 366322, 399624, 499530, 549483, 666040, 732644, 915805, 999060, 1098966, 1465288, 1831610, 1998120, 2197932, 2747415, 3663220, 4395864, 5494830, 7326440, 10989660, 21979320]

約数ペア:

[(1, 21979320), (2, 10989660), (3, 7326440), (4, 5494830), (5, 4395864), (6, 3663220), (8, 2747415), (10, 2197932), (11, 1998120), (12, 1831610), (15, 1465288), (20, 1098966), (22, 999060), (24, 915805), (30, 732644), (33, 666040), (40, 549483), (44, 499530), (55, 399624), (60, 366322), (66, 333020), (88, 249765), (110, 199812), (120, 183161), (132, 166510), (165, 133208), (220, 99906), (264, 83255), (330, 66604), (440, 49953), (660, 33302), (1320, 16651)]