21123984

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{62869}}^1$

素因数の和:62887

約数の個数: 40

約数和(自身を含む): 62367040

約数和(自身を除く): 41243056

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 62869, 125738, 188607, 251476, 377214, 440083, 502952, 754428, 880166, 1005904, 1320249, 1508856, 1760332, 2640498, 3017712, 3520664, 5280996, 7041328, 10561992, 21123984]

約数ペア:

[(1, 21123984), (2, 10561992), (3, 7041328), (4, 5280996), (6, 3520664), (7, 3017712), (8, 2640498), (12, 1760332), (14, 1508856), (16, 1320249), (21, 1005904), (24, 880166), (28, 754428), (42, 502952), (48, 440083), (56, 377214), (84, 251476), (112, 188607), (168, 125738), (336, 62869)]