21700578480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{12917011}}^1$

素因数の和:12917034

約数の個数: 80

約数和(自身を含む): 76882055424

約数和(自身を除く): 55181476944

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 12917011, 25834022, 38751033, 51668044, 64585055, 77502066, 90419077, 103336088, 129170110, 155004132, 180838154, 193755165, 206672176, 258340220, 271257231, 310008264, 361676308, 387510330, 452095385, 516680440, 542514462, 620016528, 723352616, 775020660, 904190770, 1033360880, 1085028924, 1356286155, 1446705232, 1550041320, 1808381540, 2170057848, 2712572310, 3100082640, 3616763080, 4340115696, 5425144620, 7233526160, 10850289240, 21700578480]

約数ペア:

[(1, 21700578480), (2, 10850289240), (3, 7233526160), (4, 5425144620), (5, 4340115696), (6, 3616763080), (7, 3100082640), (8, 2712572310), (10, 2170057848), (12, 1808381540), (14, 1550041320), (15, 1446705232), (16, 1356286155), (20, 1085028924), (21, 1033360880), (24, 904190770), (28, 775020660), (30, 723352616), (35, 620016528), (40, 542514462), (42, 516680440), (48, 452095385), (56, 387510330), (60, 361676308), (70, 310008264), (80, 271257231), (84, 258340220), (105, 206672176), (112, 193755165), (120, 180838154), (140, 155004132), (168, 129170110), (210, 103336088), (240, 90419077), (280, 77502066), (336, 64585055), (420, 51668044), (560, 38751033), (840, 25834022), (1680, 12917011)]