21710348520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{64453}}^1$

素因数の和:64875

約数の個数: 128

約数和(自身を含む): 74622263040

約数和(自身を除く): 52911914520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 401, 420, 802, 840, 1203, 1604, 2005, 2406, 2807, 3208, 4010, 4812, 5614, 6015, 8020, 8421, 9624, 11228, 12030, 14035, 16040, 16842, 22456, 24060, 28070, 33684, 42105, 48120, 56140, 64453, 67368, 84210, 112280, 128906, 168420, 193359, 257812, 322265, 336840, 386718, 451171, 515624, 644530, 773436, 902342, 966795, 1289060, 1353513, 1546872, 1804684, 1933590, 2255855, 2578120, 2707026, 3609368, 3867180, 4511710, 5414052, 6767565, 7734360, 9023420, 10828104, 13535130, 18046840, 25845653, 27070260, 51691306, 54140520, 77536959, 103382612, 129228265, 155073918, 180919571, 206765224, 258456530, 310147836, 361839142, 387684795, 516913060, 542758713, 620295672, 723678284, 775369590, 904597855, 1033826120, 1085517426, 1447356568, 1550739180, 1809195710, 2171034852, 2713793565, 3101478360, 3618391420, 4342069704, 5427587130, 7236782840, 10855174260, 21710348520]

約数ペア:

[(1, 21710348520), (2, 10855174260), (3, 7236782840), (4, 5427587130), (5, 4342069704), (6, 3618391420), (7, 3101478360), (8, 2713793565), (10, 2171034852), (12, 1809195710), (14, 1550739180), (15, 1447356568), (20, 1085517426), (21, 1033826120), (24, 904597855), (28, 775369590), (30, 723678284), (35, 620295672), (40, 542758713), (42, 516913060), (56, 387684795), (60, 361839142), (70, 310147836), (84, 258456530), (105, 206765224), (120, 180919571), (140, 155073918), (168, 129228265), (210, 103382612), (280, 77536959), (401, 54140520), (420, 51691306), (802, 27070260), (840, 25845653), (1203, 18046840), (1604, 13535130), (2005, 10828104), (2406, 9023420), (2807, 7734360), (3208, 6767565), (4010, 5414052), (4812, 4511710), (5614, 3867180), (6015, 3609368), (8020, 2707026), (8421, 2578120), (9624, 2255855), (11228, 1933590), (12030, 1804684), (14035, 1546872), (16040, 1353513), (16842, 1289060), (22456, 966795), (24060, 902342), (28070, 773436), (33684, 644530), (42105, 515624), (48120, 451171), (56140, 386718), (64453, 336840), (67368, 322265), (84210, 257812), (112280, 193359), (128906, 168420)]