21520944

素因数分解:

$2^4\times 3^3\times {\mathrm{31}}^1\times {\mathrm{1607}}^1$

素因数の和:1655

約数の個数: 80

約数和(自身を含む): 63805440

約数和(自身を除く): 42284496

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 36, 48, 54, 62, 72, 93, 108, 124, 144, 186, 216, 248, 279, 372, 432, 496, 558, 744, 837, 1116, 1488, 1607, 1674, 2232, 3214, 3348, 4464, 4821, 6428, 6696, 9642, 12856, 13392, 14463, 19284, 25712, 28926, 38568, 43389, 49817, 57852, 77136, 86778, 99634, 115704, 149451, 173556, 199268, 231408, 298902, 347112, 398536, 448353, 597804, 694224, 797072, 896706, 1195608, 1345059, 1793412, 2391216, 2690118, 3586824, 5380236, 7173648, 10760472, 21520944]

約数ペア:

[(1, 21520944), (2, 10760472), (3, 7173648), (4, 5380236), (6, 3586824), (8, 2690118), (9, 2391216), (12, 1793412), (16, 1345059), (18, 1195608), (24, 896706), (27, 797072), (31, 694224), (36, 597804), (48, 448353), (54, 398536), (62, 347112), (72, 298902), (93, 231408), (108, 199268), (124, 173556), (144, 149451), (186, 115704), (216, 99634), (248, 86778), (279, 77136), (372, 57852), (432, 49817), (496, 43389), (558, 38568), (744, 28926), (837, 25712), (1116, 19284), (1488, 14463), (1607, 13392), (1674, 12856), (2232, 9642), (3214, 6696), (3348, 6428), (4464, 4821)]