21072312

素因数分解:

$2^3\times 3^4\times {\mathrm{31}}^1\times {\mathrm{1049}}^1$

素因数の和:1098

約数の個数: 80

約数和(自身を含む): 60984000

約数和(自身を除く): 39911688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 54, 62, 72, 81, 93, 108, 124, 162, 186, 216, 248, 279, 324, 372, 558, 648, 744, 837, 1049, 1116, 1674, 2098, 2232, 2511, 3147, 3348, 4196, 5022, 6294, 6696, 8392, 9441, 10044, 12588, 18882, 20088, 25176, 28323, 32519, 37764, 56646, 65038, 75528, 84969, 97557, 113292, 130076, 169938, 195114, 226584, 260152, 292671, 339876, 390228, 585342, 679752, 780456, 878013, 1170684, 1756026, 2341368, 2634039, 3512052, 5268078, 7024104, 10536156, 21072312]

約数ペア:

[(1, 21072312), (2, 10536156), (3, 7024104), (4, 5268078), (6, 3512052), (8, 2634039), (9, 2341368), (12, 1756026), (18, 1170684), (24, 878013), (27, 780456), (31, 679752), (36, 585342), (54, 390228), (62, 339876), (72, 292671), (81, 260152), (93, 226584), (108, 195114), (124, 169938), (162, 130076), (186, 113292), (216, 97557), (248, 84969), (279, 75528), (324, 65038), (372, 56646), (558, 37764), (648, 32519), (744, 28323), (837, 25176), (1049, 20088), (1116, 18882), (1674, 12588), (2098, 10044), (2232, 9441), (2511, 8392), (3147, 6696), (3348, 6294), (4196, 5022)]