21551477838

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{67369}}^1$

素因数の和:67553

約数の個数: 64

約数和(自身を含む): 48661620480

約数和(自身を除く): 27110142642

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 66, 74, 111, 131, 222, 262, 393, 407, 786, 814, 1221, 1441, 2442, 2882, 4323, 4847, 8646, 9694, 14541, 29082, 53317, 67369, 106634, 134738, 159951, 202107, 319902, 404214, 741059, 1482118, 2223177, 2492653, 4446354, 4985306, 7477959, 8825339, 14955918, 17650678, 26476017, 27419183, 52952034, 54838366, 82257549, 97078729, 164515098, 194157458, 291236187, 326537543, 582472374, 653075086, 979612629, 1959225258, 3591912973, 7183825946, 10775738919, 21551477838]

約数ペア:

[(1, 21551477838), (2, 10775738919), (3, 7183825946), (6, 3591912973), (11, 1959225258), (22, 979612629), (33, 653075086), (37, 582472374), (66, 326537543), (74, 291236187), (111, 194157458), (131, 164515098), (222, 97078729), (262, 82257549), (393, 54838366), (407, 52952034), (786, 27419183), (814, 26476017), (1221, 17650678), (1441, 14955918), (2442, 8825339), (2882, 7477959), (4323, 4985306), (4847, 4446354), (8646, 2492653), (9694, 2223177), (14541, 1482118), (29082, 741059), (53317, 404214), (67369, 319902), (106634, 202107), (134738, 159951)]