21956130

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{11617}}^1$

素因数の和:11640

約数の個数: 64

約数和(自身を含む): 66919680

約数和(自身を除く): 44963550

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 11617, 23234, 34851, 58085, 69702, 81319, 104553, 116170, 162638, 174255, 209106, 243957, 313659, 348510, 406595, 487914, 522765, 627318, 731871, 813190, 1045530, 1219785, 1463742, 1568295, 2195613, 2439570, 3136590, 3659355, 4391226, 7318710, 10978065, 21956130]

約数ペア:

[(1, 21956130), (2, 10978065), (3, 7318710), (5, 4391226), (6, 3659355), (7, 3136590), (9, 2439570), (10, 2195613), (14, 1568295), (15, 1463742), (18, 1219785), (21, 1045530), (27, 813190), (30, 731871), (35, 627318), (42, 522765), (45, 487914), (54, 406595), (63, 348510), (70, 313659), (90, 243957), (105, 209106), (126, 174255), (135, 162638), (189, 116170), (210, 104553), (270, 81319), (315, 69702), (378, 58085), (630, 34851), (945, 23234), (1890, 11617)]