21882420

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{827}}^1$

素因数の和:859

約数の個数: 144

約数和(自身を含む): 79289280

約数和(自身を除く): 57406860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 827, 882, 945, 980, 1260, 1323, 1470, 1654, 1764, 1890, 2205, 2481, 2646, 2940, 3308, 3780, 4135, 4410, 4962, 5292, 5789, 6615, 7443, 8270, 8820, 9924, 11578, 12405, 13230, 14886, 16540, 17367, 22329, 23156, 24810, 26460, 28945, 29772, 34734, 37215, 40523, 44658, 49620, 52101, 57890, 69468, 74430, 81046, 86835, 89316, 104202, 111645, 115780, 121569, 148860, 156303, 162092, 173670, 202615, 208404, 223290, 243138, 260505, 312606, 347340, 364707, 405230, 446580, 486276, 521010, 607845, 625212, 729414, 781515, 810460, 1042020, 1094121, 1215690, 1458828, 1563030, 1823535, 2188242, 2431380, 3126060, 3647070, 4376484, 5470605, 7294140, 10941210, 21882420]

約数ペア:

[(1, 21882420), (2, 10941210), (3, 7294140), (4, 5470605), (5, 4376484), (6, 3647070), (7, 3126060), (9, 2431380), (10, 2188242), (12, 1823535), (14, 1563030), (15, 1458828), (18, 1215690), (20, 1094121), (21, 1042020), (27, 810460), (28, 781515), (30, 729414), (35, 625212), (36, 607845), (42, 521010), (45, 486276), (49, 446580), (54, 405230), (60, 364707), (63, 347340), (70, 312606), (84, 260505), (90, 243138), (98, 223290), (105, 208404), (108, 202615), (126, 173670), (135, 162092), (140, 156303), (147, 148860), (180, 121569), (189, 115780), (196, 111645), (210, 104202), (245, 89316), (252, 86835), (270, 81046), (294, 74430), (315, 69468), (378, 57890), (420, 52101), (441, 49620), (490, 44658), (540, 40523), (588, 37215), (630, 34734), (735, 29772), (756, 28945), (827, 26460), (882, 24810), (945, 23156), (980, 22329), (1260, 17367), (1323, 16540), (1470, 14886), (1654, 13230), (1764, 12405), (1890, 11578), (2205, 9924), (2481, 8820), (2646, 8270), (2940, 7443), (3308, 6615), (3780, 5789), (4135, 5292), (4410, 4962)]