21102848

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{373}}^1$

素因数の和:419

約数の個数: 72

約数和(自身を含む): 48160728

約数和(自身を除く): 27057880

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 128, 136, 208, 221, 256, 272, 373, 416, 442, 544, 746, 832, 884, 1088, 1492, 1664, 1768, 2176, 2984, 3328, 3536, 4352, 4849, 5968, 6341, 7072, 9698, 11936, 12682, 14144, 19396, 23872, 25364, 28288, 38792, 47744, 50728, 56576, 77584, 82433, 95488, 101456, 155168, 164866, 202912, 310336, 329732, 405824, 620672, 659464, 811648, 1241344, 1318928, 1623296, 2637856, 5275712, 10551424, 21102848]

約数ペア:

[(1, 21102848), (2, 10551424), (4, 5275712), (8, 2637856), (13, 1623296), (16, 1318928), (17, 1241344), (26, 811648), (32, 659464), (34, 620672), (52, 405824), (64, 329732), (68, 310336), (104, 202912), (128, 164866), (136, 155168), (208, 101456), (221, 95488), (256, 82433), (272, 77584), (373, 56576), (416, 50728), (442, 47744), (544, 38792), (746, 28288), (832, 25364), (884, 23872), (1088, 19396), (1492, 14144), (1664, 12682), (1768, 11936), (2176, 9698), (2984, 7072), (3328, 6341), (3536, 5968), (4352, 4849)]