21813167072

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{4789}}^1\times {\mathrm{3847}}^1$

素因数の和:8683

約数の個数: 48

約数和(自身を含む): 44126016480

約数和(自身を除く): 22312849408

約数列:

[1, 2, 4, 8, 16, 32, 37, 74, 148, 296, 592, 1184, 3847, 4789, 7694, 9578, 15388, 19156, 30776, 38312, 61552, 76624, 123104, 142339, 153248, 177193, 284678, 354386, 569356, 708772, 1138712, 1417544, 2277424, 2835088, 4554848, 5670176, 18423283, 36846566, 73693132, 147386264, 294772528, 589545056, 681661471, 1363322942, 2726645884, 5453291768, 10906583536, 21813167072]

約数ペア:

[(1, 21813167072), (2, 10906583536), (4, 5453291768), (8, 2726645884), (16, 1363322942), (32, 681661471), (37, 589545056), (74, 294772528), (148, 147386264), (296, 73693132), (592, 36846566), (1184, 18423283), (3847, 5670176), (4789, 4554848), (7694, 2835088), (9578, 2277424), (15388, 1417544), (19156, 1138712), (30776, 708772), (38312, 569356), (61552, 354386), (76624, 284678), (123104, 177193), (142339, 153248)]