21513141248

素因数分解:

$2^{10}\times {\mathrm{19}}^1\times {\mathrm{761}}^1\times {\mathrm{1453}}^1$

素因数の和:2253

約数の個数: 88

約数和(自身を含む): 45359391120

約数和(自身を除く): 23846249872

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 761, 1024, 1216, 1453, 1522, 2432, 2906, 3044, 4864, 5812, 6088, 9728, 11624, 12176, 14459, 19456, 23248, 24352, 27607, 28918, 46496, 48704, 55214, 57836, 92992, 97408, 110428, 115672, 185984, 194816, 220856, 231344, 371968, 389632, 441712, 462688, 743936, 779264, 883424, 925376, 1105733, 1487872, 1766848, 1850752, 2211466, 3533696, 3701504, 4422932, 7067392, 7403008, 8845864, 14134784, 14806016, 17691728, 21008927, 28269568, 35383456, 42017854, 70766912, 84035708, 141533824, 168071416, 283067648, 336142832, 566135296, 672285664, 1132270592, 1344571328, 2689142656, 5378285312, 10756570624, 21513141248]

約数ペア:

[(1, 21513141248), (2, 10756570624), (4, 5378285312), (8, 2689142656), (16, 1344571328), (19, 1132270592), (32, 672285664), (38, 566135296), (64, 336142832), (76, 283067648), (128, 168071416), (152, 141533824), (256, 84035708), (304, 70766912), (512, 42017854), (608, 35383456), (761, 28269568), (1024, 21008927), (1216, 17691728), (1453, 14806016), (1522, 14134784), (2432, 8845864), (2906, 7403008), (3044, 7067392), (4864, 4422932), (5812, 3701504), (6088, 3533696), (9728, 2211466), (11624, 1850752), (12176, 1766848), (14459, 1487872), (19456, 1105733), (23248, 925376), (24352, 883424), (27607, 779264), (28918, 743936), (46496, 462688), (48704, 441712), (55214, 389632), (57836, 371968), (92992, 231344), (97408, 220856), (110428, 194816), (115672, 185984)]