21588567

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1$

素因数の和:133

約数の個数: 72

約数和(自身を含む): 40055040

約数和(自身を除く): 18466473

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 49, 77, 79, 91, 143, 147, 169, 231, 237, 273, 429, 507, 539, 553, 637, 869, 1001, 1027, 1183, 1617, 1659, 1859, 1911, 2607, 3003, 3081, 3549, 3871, 5577, 6083, 7007, 7189, 8281, 11297, 11613, 13013, 13351, 18249, 21021, 21567, 24843, 33891, 39039, 40053, 42581, 50323, 79079, 91091, 93457, 127743, 146861, 150969, 237237, 273273, 280371, 440583, 553553, 654199, 1028027, 1660659, 1962597, 3084081, 7196189, 21588567]

約数ペア:

[(1, 21588567), (3, 7196189), (7, 3084081), (11, 1962597), (13, 1660659), (21, 1028027), (33, 654199), (39, 553553), (49, 440583), (77, 280371), (79, 273273), (91, 237237), (143, 150969), (147, 146861), (169, 127743), (231, 93457), (237, 91091), (273, 79079), (429, 50323), (507, 42581), (539, 40053), (553, 39039), (637, 33891), (869, 24843), (1001, 21567), (1027, 21021), (1183, 18249), (1617, 13351), (1659, 13013), (1859, 11613), (1911, 11297), (2607, 8281), (3003, 7189), (3081, 7007), (3549, 6083), (3871, 5577)]