21309834

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1259}}^1$

素因数の和:1315

約数の個数: 64

約数和(自身を含む): 54190080

約数和(自身を除く): 32880246

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 31, 39, 42, 62, 78, 91, 93, 182, 186, 217, 273, 403, 434, 546, 651, 806, 1209, 1259, 1302, 2418, 2518, 2821, 3777, 5642, 7554, 8463, 8813, 16367, 16926, 17626, 26439, 32734, 39029, 49101, 52878, 78058, 98202, 114569, 117087, 229138, 234174, 273203, 343707, 507377, 546406, 687414, 819609, 1014754, 1522131, 1639218, 3044262, 3551639, 7103278, 10654917, 21309834]

約数ペア:

[(1, 21309834), (2, 10654917), (3, 7103278), (6, 3551639), (7, 3044262), (13, 1639218), (14, 1522131), (21, 1014754), (26, 819609), (31, 687414), (39, 546406), (42, 507377), (62, 343707), (78, 273203), (91, 234174), (93, 229138), (182, 117087), (186, 114569), (217, 98202), (273, 78058), (403, 52878), (434, 49101), (546, 39029), (651, 32734), (806, 26439), (1209, 17626), (1259, 16926), (1302, 16367), (2418, 8813), (2518, 8463), (2821, 7554), (3777, 5642)]