21167339520

素因数分解:

$2^{11}\times 3^1\times 5^1\times {\mathrm{689041}}^1$

素因数の和:689071

約数の個数: 96

約数和(自身を含む): 67719047760

約数和(自身を除く): 46551708240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1024, 1280, 1536, 1920, 2048, 2560, 3072, 3840, 5120, 6144, 7680, 10240, 15360, 30720, 689041, 1378082, 2067123, 2756164, 3445205, 4134246, 5512328, 6890410, 8268492, 10335615, 11024656, 13780820, 16536984, 20671230, 22049312, 27561640, 33073968, 41342460, 44098624, 55123280, 66147936, 82684920, 88197248, 110246560, 132295872, 165369840, 176394496, 220493120, 264591744, 330739680, 352788992, 440986240, 529183488, 661479360, 705577984, 881972480, 1058366976, 1322958720, 1411155968, 1763944960, 2116733952, 2645917440, 3527889920, 4233467904, 5291834880, 7055779840, 10583669760, 21167339520]

約数ペア:

[(1, 21167339520), (2, 10583669760), (3, 7055779840), (4, 5291834880), (5, 4233467904), (6, 3527889920), (8, 2645917440), (10, 2116733952), (12, 1763944960), (15, 1411155968), (16, 1322958720), (20, 1058366976), (24, 881972480), (30, 705577984), (32, 661479360), (40, 529183488), (48, 440986240), (60, 352788992), (64, 330739680), (80, 264591744), (96, 220493120), (120, 176394496), (128, 165369840), (160, 132295872), (192, 110246560), (240, 88197248), (256, 82684920), (320, 66147936), (384, 55123280), (480, 44098624), (512, 41342460), (640, 33073968), (768, 27561640), (960, 22049312), (1024, 20671230), (1280, 16536984), (1536, 13780820), (1920, 11024656), (2048, 10335615), (2560, 8268492), (3072, 6890410), (3840, 5512328), (5120, 4134246), (6144, 3445205), (7680, 2756164), (10240, 2067123), (15360, 1378082), (30720, 689041)]