21313080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{811}}^1$

素因数の和:901

約数の個数: 96

約数和(自身を含む): 70302960

約数和(自身を除く): 48989880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 73, 90, 120, 146, 180, 219, 292, 360, 365, 438, 584, 657, 730, 811, 876, 1095, 1314, 1460, 1622, 1752, 2190, 2433, 2628, 2920, 3244, 3285, 4055, 4380, 4866, 5256, 6488, 6570, 7299, 8110, 8760, 9732, 12165, 13140, 14598, 16220, 19464, 24330, 26280, 29196, 32440, 36495, 48660, 58392, 59203, 72990, 97320, 118406, 145980, 177609, 236812, 291960, 296015, 355218, 473624, 532827, 592030, 710436, 888045, 1065654, 1184060, 1420872, 1776090, 2131308, 2368120, 2664135, 3552180, 4262616, 5328270, 7104360, 10656540, 21313080]

約数ペア:

[(1, 21313080), (2, 10656540), (3, 7104360), (4, 5328270), (5, 4262616), (6, 3552180), (8, 2664135), (9, 2368120), (10, 2131308), (12, 1776090), (15, 1420872), (18, 1184060), (20, 1065654), (24, 888045), (30, 710436), (36, 592030), (40, 532827), (45, 473624), (60, 355218), (72, 296015), (73, 291960), (90, 236812), (120, 177609), (146, 145980), (180, 118406), (219, 97320), (292, 72990), (360, 59203), (365, 58392), (438, 48660), (584, 36495), (657, 32440), (730, 29196), (811, 26280), (876, 24330), (1095, 19464), (1314, 16220), (1460, 14598), (1622, 13140), (1752, 12165), (2190, 9732), (2433, 8760), (2628, 8110), (2920, 7299), (3244, 6570), (3285, 6488), (4055, 5256), (4380, 4866)]