21053267880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4741727}}^1$

素因数の和:4741778

約数の個数: 64

約数和(自身を含む): 64866839040

約数和(自身を除く): 43813571160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4440, 4741727, 9483454, 14225181, 18966908, 23708635, 28450362, 37933816, 47417270, 56900724, 71125905, 94834540, 113801448, 142251810, 175443899, 189669080, 284503620, 350887798, 526331697, 569007240, 701775596, 877219495, 1052663394, 1403551192, 1754438990, 2105326788, 2631658485, 3508877980, 4210653576, 5263316970, 7017755960, 10526633940, 21053267880]

約数ペア:

[(1, 21053267880), (2, 10526633940), (3, 7017755960), (4, 5263316970), (5, 4210653576), (6, 3508877980), (8, 2631658485), (10, 2105326788), (12, 1754438990), (15, 1403551192), (20, 1052663394), (24, 877219495), (30, 701775596), (37, 569007240), (40, 526331697), (60, 350887798), (74, 284503620), (111, 189669080), (120, 175443899), (148, 142251810), (185, 113801448), (222, 94834540), (296, 71125905), (370, 56900724), (444, 47417270), (555, 37933816), (740, 28450362), (888, 23708635), (1110, 18966908), (1480, 14225181), (2220, 9483454), (4440, 4741727)]