21031858168

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1\times {\mathrm{9463}}^1$

素因数の和:9796

約数の個数: 64

約数和(自身を含む): 42192783360

約数和(自身を除く): 21160925192

約数列:

[1, 2, 4, 8, 23, 46, 47, 92, 94, 184, 188, 257, 376, 514, 1028, 1081, 2056, 2162, 4324, 5911, 8648, 9463, 11822, 12079, 18926, 23644, 24158, 37852, 47288, 48316, 75704, 96632, 217649, 277817, 435298, 444761, 555634, 870596, 889522, 1111268, 1741192, 1779044, 2222536, 2431991, 3558088, 4863982, 9727964, 10229503, 19455928, 20459006, 40918012, 55935793, 81836024, 111871586, 114303577, 223743172, 228607154, 447486344, 457214308, 914428616, 2628982271, 5257964542, 10515929084, 21031858168]

約数ペア:

[(1, 21031858168), (2, 10515929084), (4, 5257964542), (8, 2628982271), (23, 914428616), (46, 457214308), (47, 447486344), (92, 228607154), (94, 223743172), (184, 114303577), (188, 111871586), (257, 81836024), (376, 55935793), (514, 40918012), (1028, 20459006), (1081, 19455928), (2056, 10229503), (2162, 9727964), (4324, 4863982), (5911, 3558088), (8648, 2431991), (9463, 2222536), (11822, 1779044), (12079, 1741192), (18926, 1111268), (23644, 889522), (24158, 870596), (37852, 555634), (47288, 444761), (48316, 435298), (75704, 277817), (96632, 217649)]