21508544

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{293}}^1$

素因数の和:373

約数の個数: 56

約数和(自身を含む): 45403008

約数和(自身を除く): 23894464

約数列:

[1, 2, 4, 8, 16, 31, 32, 37, 62, 64, 74, 124, 148, 248, 293, 296, 496, 586, 592, 992, 1147, 1172, 1184, 1984, 2294, 2344, 2368, 4588, 4688, 9083, 9176, 9376, 10841, 18166, 18352, 18752, 21682, 36332, 36704, 43364, 72664, 73408, 86728, 145328, 173456, 290656, 336071, 346912, 581312, 672142, 693824, 1344284, 2688568, 5377136, 10754272, 21508544]

約数ペア:

[(1, 21508544), (2, 10754272), (4, 5377136), (8, 2688568), (16, 1344284), (31, 693824), (32, 672142), (37, 581312), (62, 346912), (64, 336071), (74, 290656), (124, 173456), (148, 145328), (248, 86728), (293, 73408), (296, 72664), (496, 43364), (586, 36704), (592, 36332), (992, 21682), (1147, 18752), (1172, 18352), (1184, 18166), (1984, 10841), (2294, 9376), (2344, 9176), (2368, 9083), (4588, 4688)]