21410240

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2909}}^1$

素因数の和:2949

約数の個数: 56

約数和(自身を含む): 53218080

約数和(自身を除く): 31807840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 160, 184, 230, 320, 368, 460, 736, 920, 1472, 1840, 2909, 3680, 5818, 7360, 11636, 14545, 23272, 29090, 46544, 58180, 66907, 93088, 116360, 133814, 186176, 232720, 267628, 334535, 465440, 535256, 669070, 930880, 1070512, 1338140, 2141024, 2676280, 4282048, 5352560, 10705120, 21410240]

約数ペア:

[(1, 21410240), (2, 10705120), (4, 5352560), (5, 4282048), (8, 2676280), (10, 2141024), (16, 1338140), (20, 1070512), (23, 930880), (32, 669070), (40, 535256), (46, 465440), (64, 334535), (80, 267628), (92, 232720), (115, 186176), (160, 133814), (184, 116360), (230, 93088), (320, 66907), (368, 58180), (460, 46544), (736, 29090), (920, 23272), (1472, 14545), (1840, 11636), (2909, 7360), (3680, 5818)]