21273264

素因数分解:

$2^4\times 3^2\times {\mathrm{97}}^1\times {\mathrm{1523}}^1$

素因数の和:1634

約数の個数: 60

約数和(自身を含む): 60188856

約数和(自身を除く): 38915592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 97, 144, 194, 291, 388, 582, 776, 873, 1164, 1523, 1552, 1746, 2328, 3046, 3492, 4569, 4656, 6092, 6984, 9138, 12184, 13707, 13968, 18276, 24368, 27414, 36552, 54828, 73104, 109656, 147731, 219312, 295462, 443193, 590924, 886386, 1181848, 1329579, 1772772, 2363696, 2659158, 3545544, 5318316, 7091088, 10636632, 21273264]

約数ペア:

[(1, 21273264), (2, 10636632), (3, 7091088), (4, 5318316), (6, 3545544), (8, 2659158), (9, 2363696), (12, 1772772), (16, 1329579), (18, 1181848), (24, 886386), (36, 590924), (48, 443193), (72, 295462), (97, 219312), (144, 147731), (194, 109656), (291, 73104), (388, 54828), (582, 36552), (776, 27414), (873, 24368), (1164, 18276), (1523, 13968), (1552, 13707), (1746, 12184), (2328, 9138), (3046, 6984), (3492, 6092), (4569, 4656)]