21003744

素因数分解:

$2^5\times 3^1\times {\mathrm{137}}^1\times {\mathrm{1597}}^1$

素因数の和:1747

約数の個数: 48

約数和(自身を含む): 55572048

約数和(自身を除く): 34568304

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 137, 274, 411, 548, 822, 1096, 1597, 1644, 2192, 3194, 3288, 4384, 4791, 6388, 6576, 9582, 12776, 13152, 19164, 25552, 38328, 51104, 76656, 153312, 218789, 437578, 656367, 875156, 1312734, 1750312, 2625468, 3500624, 5250936, 7001248, 10501872, 21003744]

約数ペア:

[(1, 21003744), (2, 10501872), (3, 7001248), (4, 5250936), (6, 3500624), (8, 2625468), (12, 1750312), (16, 1312734), (24, 875156), (32, 656367), (48, 437578), (96, 218789), (137, 153312), (274, 76656), (411, 51104), (548, 38328), (822, 25552), (1096, 19164), (1597, 13152), (1644, 12776), (2192, 9582), (3194, 6576), (3288, 6388), (4384, 4791)]