21277944

素因数分解:

$2^3\times 3^3\times {\mathrm{23}}^1\times {\mathrm{4283}}^1$

素因数の和:4321

約数の個数: 64

約数和(自身を含む): 61689600

約数和(自身を除く): 40411656

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 27, 36, 46, 54, 69, 72, 92, 108, 138, 184, 207, 216, 276, 414, 552, 621, 828, 1242, 1656, 2484, 4283, 4968, 8566, 12849, 17132, 25698, 34264, 38547, 51396, 77094, 98509, 102792, 115641, 154188, 197018, 231282, 295527, 308376, 394036, 462564, 591054, 788072, 886581, 925128, 1182108, 1773162, 2364216, 2659743, 3546324, 5319486, 7092648, 10638972, 21277944]

約数ペア:

[(1, 21277944), (2, 10638972), (3, 7092648), (4, 5319486), (6, 3546324), (8, 2659743), (9, 2364216), (12, 1773162), (18, 1182108), (23, 925128), (24, 886581), (27, 788072), (36, 591054), (46, 462564), (54, 394036), (69, 308376), (72, 295527), (92, 231282), (108, 197018), (138, 154188), (184, 115641), (207, 102792), (216, 98509), (276, 77094), (414, 51396), (552, 38547), (621, 34264), (828, 25698), (1242, 17132), (1656, 12849), (2484, 8566), (4283, 4968)]