21443544

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^2\times {\mathrm{563}}^1$

素因数の和:621

約数の個数: 72

約数和(自身を含む): 60818940

約数和(自身を除く): 39375396

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 207, 276, 414, 529, 552, 563, 828, 1058, 1126, 1587, 1656, 1689, 2116, 2252, 3174, 3378, 4232, 4504, 4761, 5067, 6348, 6756, 9522, 10134, 12696, 12949, 13512, 19044, 20268, 25898, 38088, 38847, 40536, 51796, 77694, 103592, 116541, 155388, 233082, 297827, 310776, 466164, 595654, 893481, 932328, 1191308, 1786962, 2382616, 2680443, 3573924, 5360886, 7147848, 10721772, 21443544]

約数ペア:

[(1, 21443544), (2, 10721772), (3, 7147848), (4, 5360886), (6, 3573924), (8, 2680443), (9, 2382616), (12, 1786962), (18, 1191308), (23, 932328), (24, 893481), (36, 595654), (46, 466164), (69, 310776), (72, 297827), (92, 233082), (138, 155388), (184, 116541), (207, 103592), (276, 77694), (414, 51796), (529, 40536), (552, 38847), (563, 38088), (828, 25898), (1058, 20268), (1126, 19044), (1587, 13512), (1656, 12949), (1689, 12696), (2116, 10134), (2252, 9522), (3174, 6756), (3378, 6348), (4232, 5067), (4504, 4761)]