21853711232

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{2909}}^1\times {\mathrm{3089}}^1$

素因数の和:6031

約数の個数: 64

約数和(自身を含む): 45858690000

約数和(自身を除く): 24004978768

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 2909, 3089, 5818, 6178, 11636, 12356, 23272, 24712, 46544, 49424, 55271, 58691, 93088, 98848, 110542, 117382, 186176, 197696, 221084, 234764, 372352, 395392, 442168, 469528, 884336, 939056, 1768672, 1878112, 3537344, 3756224, 7074688, 7512448, 8985901, 17971802, 35943604, 71887208, 143774416, 170732119, 287548832, 341464238, 575097664, 682928476, 1150195328, 1365856952, 2731713904, 5463427808, 10926855616, 21853711232]

約数ペア:

[(1, 21853711232), (2, 10926855616), (4, 5463427808), (8, 2731713904), (16, 1365856952), (19, 1150195328), (32, 682928476), (38, 575097664), (64, 341464238), (76, 287548832), (128, 170732119), (152, 143774416), (304, 71887208), (608, 35943604), (1216, 17971802), (2432, 8985901), (2909, 7512448), (3089, 7074688), (5818, 3756224), (6178, 3537344), (11636, 1878112), (12356, 1768672), (23272, 939056), (24712, 884336), (46544, 469528), (49424, 442168), (55271, 395392), (58691, 372352), (93088, 234764), (98848, 221084), (110542, 197696), (117382, 186176)]