21487224

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{409}}^1$

素因数の和:628

約数の個数: 64

約数和(自身を含む): 59040000

約数和(自身を除く): 37552776

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 199, 264, 398, 409, 597, 796, 818, 1194, 1227, 1592, 1636, 2189, 2388, 2454, 3272, 4378, 4499, 4776, 4908, 6567, 8756, 8998, 9816, 13134, 13497, 17512, 17996, 26268, 26994, 35992, 52536, 53988, 81391, 107976, 162782, 244173, 325564, 488346, 651128, 895301, 976692, 1790602, 1953384, 2685903, 3581204, 5371806, 7162408, 10743612, 21487224]

約数ペア:

[(1, 21487224), (2, 10743612), (3, 7162408), (4, 5371806), (6, 3581204), (8, 2685903), (11, 1953384), (12, 1790602), (22, 976692), (24, 895301), (33, 651128), (44, 488346), (66, 325564), (88, 244173), (132, 162782), (199, 107976), (264, 81391), (398, 53988), (409, 52536), (597, 35992), (796, 26994), (818, 26268), (1194, 17996), (1227, 17512), (1592, 13497), (1636, 13134), (2189, 9816), (2388, 8998), (2454, 8756), (3272, 6567), (4378, 4908), (4499, 4776)]