21738080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1493}}^1$

素因数の和:1528

約数の個数: 96

約数和(自身を含む): 63249984

約数和(自身を除く): 41511904

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 364, 416, 455, 520, 560, 728, 910, 1040, 1120, 1456, 1493, 1820, 2080, 2912, 2986, 3640, 5972, 7280, 7465, 10451, 11944, 14560, 14930, 19409, 20902, 23888, 29860, 38818, 41804, 47776, 52255, 59720, 77636, 83608, 97045, 104510, 119440, 135863, 155272, 167216, 194090, 209020, 238880, 271726, 310544, 334432, 388180, 418040, 543452, 621088, 679315, 776360, 836080, 1086904, 1358630, 1552720, 1672160, 2173808, 2717260, 3105440, 4347616, 5434520, 10869040, 21738080]

約数ペア:

[(1, 21738080), (2, 10869040), (4, 5434520), (5, 4347616), (7, 3105440), (8, 2717260), (10, 2173808), (13, 1672160), (14, 1552720), (16, 1358630), (20, 1086904), (26, 836080), (28, 776360), (32, 679315), (35, 621088), (40, 543452), (52, 418040), (56, 388180), (65, 334432), (70, 310544), (80, 271726), (91, 238880), (104, 209020), (112, 194090), (130, 167216), (140, 155272), (160, 135863), (182, 119440), (208, 104510), (224, 97045), (260, 83608), (280, 77636), (364, 59720), (416, 52255), (455, 47776), (520, 41804), (560, 38818), (728, 29860), (910, 23888), (1040, 20902), (1120, 19409), (1456, 14930), (1493, 14560), (1820, 11944), (2080, 10451), (2912, 7465), (2986, 7280), (3640, 5972)]