21701120

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{173}}^1$

素因数の和:210

約数の個数: 120

約数和(自身を含む): 60876684

約数和(自身を除く): 39175564

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 173, 196, 224, 245, 256, 280, 320, 346, 392, 448, 490, 512, 560, 640, 692, 784, 865, 896, 980, 1120, 1211, 1280, 1384, 1568, 1730, 1792, 1960, 2240, 2422, 2560, 2768, 3136, 3460, 3584, 3920, 4480, 4844, 5536, 6055, 6272, 6920, 7840, 8477, 8960, 9688, 11072, 12110, 12544, 13840, 15680, 16954, 17920, 19376, 22144, 24220, 25088, 27680, 31360, 33908, 38752, 42385, 44288, 48440, 55360, 62720, 67816, 77504, 84770, 88576, 96880, 110720, 125440, 135632, 155008, 169540, 193760, 221440, 271264, 310016, 339080, 387520, 442880, 542528, 620032, 678160, 775040, 1085056, 1356320, 1550080, 2170112, 2712640, 3100160, 4340224, 5425280, 10850560, 21701120]

約数ペア:

[(1, 21701120), (2, 10850560), (4, 5425280), (5, 4340224), (7, 3100160), (8, 2712640), (10, 2170112), (14, 1550080), (16, 1356320), (20, 1085056), (28, 775040), (32, 678160), (35, 620032), (40, 542528), (49, 442880), (56, 387520), (64, 339080), (70, 310016), (80, 271264), (98, 221440), (112, 193760), (128, 169540), (140, 155008), (160, 135632), (173, 125440), (196, 110720), (224, 96880), (245, 88576), (256, 84770), (280, 77504), (320, 67816), (346, 62720), (392, 55360), (448, 48440), (490, 44288), (512, 42385), (560, 38752), (640, 33908), (692, 31360), (784, 27680), (865, 25088), (896, 24220), (980, 22144), (1120, 19376), (1211, 17920), (1280, 16954), (1384, 15680), (1568, 13840), (1730, 12544), (1792, 12110), (1960, 11072), (2240, 9688), (2422, 8960), (2560, 8477), (2768, 7840), (3136, 6920), (3460, 6272), (3584, 6055), (3920, 5536), (4480, 4844)]