21594528

素因数分解:

$2^5\times 3^2\times {\mathrm{97}}^1\times {\mathrm{773}}^1$

素因数の和:886

約数の個数: 72

約数和(自身を含む): 62122788

約数和(自身を除く): 40528260

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 97, 144, 194, 288, 291, 388, 582, 773, 776, 873, 1164, 1546, 1552, 1746, 2319, 2328, 3092, 3104, 3492, 4638, 4656, 6184, 6957, 6984, 9276, 9312, 12368, 13914, 13968, 18552, 24736, 27828, 27936, 37104, 55656, 74208, 74981, 111312, 149962, 222624, 224943, 299924, 449886, 599848, 674829, 899772, 1199696, 1349658, 1799544, 2399392, 2699316, 3599088, 5398632, 7198176, 10797264, 21594528]

約数ペア:

[(1, 21594528), (2, 10797264), (3, 7198176), (4, 5398632), (6, 3599088), (8, 2699316), (9, 2399392), (12, 1799544), (16, 1349658), (18, 1199696), (24, 899772), (32, 674829), (36, 599848), (48, 449886), (72, 299924), (96, 224943), (97, 222624), (144, 149962), (194, 111312), (288, 74981), (291, 74208), (388, 55656), (582, 37104), (773, 27936), (776, 27828), (873, 24736), (1164, 18552), (1546, 13968), (1552, 13914), (1746, 12368), (2319, 9312), (2328, 9276), (3092, 6984), (3104, 6957), (3492, 6184), (4638, 4656)]