21504834

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3169}}^1$

素因数の和:3219

約数の個数: 48

約数和(自身を含む): 51924600

約数和(自身を除く): 30419766

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 29, 39, 58, 78, 87, 117, 174, 234, 261, 377, 522, 754, 1131, 2262, 3169, 3393, 6338, 6786, 9507, 19014, 28521, 41197, 57042, 82394, 91901, 123591, 183802, 247182, 275703, 370773, 551406, 741546, 827109, 1194713, 1654218, 2389426, 3584139, 7168278, 10752417, 21504834]

約数ペア:

[(1, 21504834), (2, 10752417), (3, 7168278), (6, 3584139), (9, 2389426), (13, 1654218), (18, 1194713), (26, 827109), (29, 741546), (39, 551406), (58, 370773), (78, 275703), (87, 247182), (117, 183802), (174, 123591), (234, 91901), (261, 82394), (377, 57042), (522, 41197), (754, 28521), (1131, 19014), (2262, 9507), (3169, 6786), (3393, 6338)]