21341056

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{659}}^1$

素因数の和:707

約数の個数: 64

約数和(自身を含む): 48470400

約数和(自身を除く): 27129344

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 44, 46, 64, 88, 92, 128, 176, 184, 253, 352, 368, 506, 659, 704, 736, 1012, 1318, 1408, 1472, 2024, 2636, 2944, 4048, 5272, 7249, 8096, 10544, 14498, 15157, 16192, 21088, 28996, 30314, 32384, 42176, 57992, 60628, 84352, 115984, 121256, 166727, 231968, 242512, 333454, 463936, 485024, 666908, 927872, 970048, 1333816, 1940096, 2667632, 5335264, 10670528, 21341056]

約数ペア:

[(1, 21341056), (2, 10670528), (4, 5335264), (8, 2667632), (11, 1940096), (16, 1333816), (22, 970048), (23, 927872), (32, 666908), (44, 485024), (46, 463936), (64, 333454), (88, 242512), (92, 231968), (128, 166727), (176, 121256), (184, 115984), (253, 84352), (352, 60628), (368, 57992), (506, 42176), (659, 32384), (704, 30314), (736, 28996), (1012, 21088), (1318, 16192), (1408, 15157), (1472, 14498), (2024, 10544), (2636, 8096), (2944, 7249), (4048, 5272)]