21056988400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{503}}^1\times {\mathrm{14951}}^1$

素因数の和:15479

約数の個数: 120

約数和(自身を含む): 57935291904

約数和(自身を除く): 36878303504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 503, 560, 700, 1006, 1400, 2012, 2515, 2800, 3521, 4024, 5030, 7042, 8048, 10060, 12575, 14084, 14951, 17605, 20120, 25150, 28168, 29902, 35210, 40240, 50300, 56336, 59804, 70420, 74755, 88025, 100600, 104657, 119608, 140840, 149510, 176050, 201200, 209314, 239216, 281680, 299020, 352100, 373775, 418628, 523285, 598040, 704200, 747550, 837256, 1046570, 1196080, 1408400, 1495100, 1674512, 2093140, 2616425, 2990200, 4186280, 5232850, 5980400, 7520353, 8372560, 10465700, 15040706, 20931400, 30081412, 37601765, 41862800, 52642471, 60162824, 75203530, 105284942, 120325648, 150407060, 188008825, 210569884, 263212355, 300814120, 376017650, 421139768, 526424710, 601628240, 752035300, 842279536, 1052849420, 1316061775, 1504070600, 2105698840, 2632123550, 3008141200, 4211397680, 5264247100, 10528494200, 21056988400]

約数ペア:

[(1, 21056988400), (2, 10528494200), (4, 5264247100), (5, 4211397680), (7, 3008141200), (8, 2632123550), (10, 2105698840), (14, 1504070600), (16, 1316061775), (20, 1052849420), (25, 842279536), (28, 752035300), (35, 601628240), (40, 526424710), (50, 421139768), (56, 376017650), (70, 300814120), (80, 263212355), (100, 210569884), (112, 188008825), (140, 150407060), (175, 120325648), (200, 105284942), (280, 75203530), (350, 60162824), (400, 52642471), (503, 41862800), (560, 37601765), (700, 30081412), (1006, 20931400), (1400, 15040706), (2012, 10465700), (2515, 8372560), (2800, 7520353), (3521, 5980400), (4024, 5232850), (5030, 4186280), (7042, 2990200), (8048, 2616425), (10060, 2093140), (12575, 1674512), (14084, 1495100), (14951, 1408400), (17605, 1196080), (20120, 1046570), (25150, 837256), (28168, 747550), (29902, 704200), (35210, 598040), (40240, 523285), (50300, 418628), (56336, 373775), (59804, 352100), (70420, 299020), (74755, 281680), (88025, 239216), (100600, 209314), (104657, 201200), (119608, 176050), (140840, 149510)]