21173912320

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1503829}}^1$

素因数の和:1503861

約数の個数: 72

約数和(自身を含む): 55328913360

約数和(自身を除く): 34155001040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 7040, 14080, 1503829, 3007658, 6015316, 7519145, 12030632, 15038290, 16542119, 24061264, 30076580, 33084238, 48122528, 60153160, 66168476, 82710595, 96245056, 120306320, 132336952, 165421190, 192490112, 240612640, 264673904, 330842380, 384980224, 481225280, 529347808, 661684760, 962450560, 1058695616, 1323369520, 1924901120, 2117391232, 2646739040, 4234782464, 5293478080, 10586956160, 21173912320]

約数ペア:

[(1, 21173912320), (2, 10586956160), (4, 5293478080), (5, 4234782464), (8, 2646739040), (10, 2117391232), (11, 1924901120), (16, 1323369520), (20, 1058695616), (22, 962450560), (32, 661684760), (40, 529347808), (44, 481225280), (55, 384980224), (64, 330842380), (80, 264673904), (88, 240612640), (110, 192490112), (128, 165421190), (160, 132336952), (176, 120306320), (220, 96245056), (256, 82710595), (320, 66168476), (352, 60153160), (440, 48122528), (640, 33084238), (704, 30076580), (880, 24061264), (1280, 16542119), (1408, 15038290), (1760, 12030632), (2816, 7519145), (3520, 6015316), (7040, 3007658), (14080, 1503829)]