21170240

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{727}}^1$

素因数の和:764

約数の個数: 112

約数和(自身を含む): 62130432

約数和(自身を除く): 40960192

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 727, 728, 832, 910, 1040, 1120, 1454, 1456, 1820, 2080, 2240, 2908, 2912, 3635, 3640, 4160, 5089, 5816, 5824, 7270, 7280, 9451, 10178, 11632, 14540, 14560, 18902, 20356, 23264, 25445, 29080, 29120, 37804, 40712, 46528, 47255, 50890, 58160, 66157, 75608, 81424, 94510, 101780, 116320, 132314, 151216, 162848, 189020, 203560, 232640, 264628, 302432, 325696, 330785, 378040, 407120, 529256, 604864, 661570, 756080, 814240, 1058512, 1323140, 1512160, 1628480, 2117024, 2646280, 3024320, 4234048, 5292560, 10585120, 21170240]

約数ペア:

[(1, 21170240), (2, 10585120), (4, 5292560), (5, 4234048), (7, 3024320), (8, 2646280), (10, 2117024), (13, 1628480), (14, 1512160), (16, 1323140), (20, 1058512), (26, 814240), (28, 756080), (32, 661570), (35, 604864), (40, 529256), (52, 407120), (56, 378040), (64, 330785), (65, 325696), (70, 302432), (80, 264628), (91, 232640), (104, 203560), (112, 189020), (130, 162848), (140, 151216), (160, 132314), (182, 116320), (208, 101780), (224, 94510), (260, 81424), (280, 75608), (320, 66157), (364, 58160), (416, 50890), (448, 47255), (455, 46528), (520, 40712), (560, 37804), (727, 29120), (728, 29080), (832, 25445), (910, 23264), (1040, 20356), (1120, 18902), (1454, 14560), (1456, 14540), (1820, 11632), (2080, 10178), (2240, 9451), (2908, 7280), (2912, 7270), (3635, 5824), (3640, 5816), (4160, 5089)]