21990147211

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{839}}^1\times {\mathrm{1621}}^1$

素因数の和:2539

約数の個数: 32

約数和(自身を含む): 24851635200

約数和(自身を除く): 2861487989

約数列:

[1, 19, 23, 37, 437, 703, 839, 851, 1621, 15941, 16169, 19297, 30799, 31043, 37283, 59977, 366643, 589817, 708377, 713989, 1139563, 1360019, 1379471, 13565791, 25840361, 26209949, 31280437, 50320703, 594328303, 956093357, 1157376169, 21990147211]

約数ペア:

[(1, 21990147211), (19, 1157376169), (23, 956093357), (37, 594328303), (437, 50320703), (703, 31280437), (839, 26209949), (851, 25840361), (1621, 13565791), (15941, 1379471), (16169, 1360019), (19297, 1139563), (30799, 713989), (31043, 708377), (37283, 589817), (59977, 366643)]