21700728

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{6151}}^1$

素因数の和:6177

約数の個数: 72

約数和(自身を含む): 68379480

約数和(自身を除く): 46678752

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 392, 441, 504, 588, 882, 1176, 1764, 3528, 6151, 12302, 18453, 24604, 36906, 43057, 49208, 55359, 73812, 86114, 110718, 129171, 147624, 172228, 221436, 258342, 301399, 344456, 387513, 442872, 516684, 602798, 775026, 904197, 1033368, 1205596, 1550052, 1808394, 2411192, 2712591, 3100104, 3616788, 5425182, 7233576, 10850364, 21700728]

約数ペア:

[(1, 21700728), (2, 10850364), (3, 7233576), (4, 5425182), (6, 3616788), (7, 3100104), (8, 2712591), (9, 2411192), (12, 1808394), (14, 1550052), (18, 1205596), (21, 1033368), (24, 904197), (28, 775026), (36, 602798), (42, 516684), (49, 442872), (56, 387513), (63, 344456), (72, 301399), (84, 258342), (98, 221436), (126, 172228), (147, 147624), (168, 129171), (196, 110718), (252, 86114), (294, 73812), (392, 55359), (441, 49208), (504, 43057), (588, 36906), (882, 24604), (1176, 18453), (1764, 12302), (3528, 6151)]