21433440

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{6379}}^1$

素因数の和:6404

約数の個数: 96

約数和(自身を含む): 77172480

約数和(自身を除く): 55739040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 6379, 12758, 19137, 25516, 31895, 38274, 44653, 51032, 63790, 76548, 89306, 95685, 102064, 127580, 133959, 153096, 178612, 191370, 204128, 223265, 255160, 267918, 306192, 357224, 382740, 446530, 510320, 535836, 612384, 669795, 714448, 765480, 893060, 1020640, 1071672, 1339590, 1428896, 1530960, 1786120, 2143344, 2679180, 3061920, 3572240, 4286688, 5358360, 7144480, 10716720, 21433440]

約数ペア:

[(1, 21433440), (2, 10716720), (3, 7144480), (4, 5358360), (5, 4286688), (6, 3572240), (7, 3061920), (8, 2679180), (10, 2143344), (12, 1786120), (14, 1530960), (15, 1428896), (16, 1339590), (20, 1071672), (21, 1020640), (24, 893060), (28, 765480), (30, 714448), (32, 669795), (35, 612384), (40, 535836), (42, 510320), (48, 446530), (56, 382740), (60, 357224), (70, 306192), (80, 267918), (84, 255160), (96, 223265), (105, 204128), (112, 191370), (120, 178612), (140, 153096), (160, 133959), (168, 127580), (210, 102064), (224, 95685), (240, 89306), (280, 76548), (336, 63790), (420, 51032), (480, 44653), (560, 38274), (672, 31895), (840, 25516), (1120, 19137), (1680, 12758), (3360, 6379)]