21604656

素因数分解:

$2^4\times 3^1\times {\mathrm{659}}^1\times {\mathrm{683}}^1$

素因数の和:1353

約数の個数: 40

約数和(自身を含む): 55978560

約数和(自身を除く): 34373904

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 659, 683, 1318, 1366, 1977, 2049, 2636, 2732, 3954, 4098, 5272, 5464, 7908, 8196, 10544, 10928, 15816, 16392, 31632, 32784, 450097, 900194, 1350291, 1800388, 2700582, 3600776, 5401164, 7201552, 10802328, 21604656]

約数ペア:

[(1, 21604656), (2, 10802328), (3, 7201552), (4, 5401164), (6, 3600776), (8, 2700582), (12, 1800388), (16, 1350291), (24, 900194), (48, 450097), (659, 32784), (683, 31632), (1318, 16392), (1366, 15816), (1977, 10928), (2049, 10544), (2636, 8196), (2732, 7908), (3954, 5464), (4098, 5272)]