21201492

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1$

素因数の和:373

約数の個数: 96

約数和(自身を含む): 58705920

約数和(自身を除く): 37504428

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 23, 26, 38, 39, 46, 52, 57, 69, 76, 78, 92, 114, 138, 156, 228, 247, 276, 299, 311, 437, 494, 598, 622, 741, 874, 897, 933, 988, 1196, 1244, 1311, 1482, 1748, 1794, 1866, 2622, 2964, 3588, 3732, 4043, 5244, 5681, 5909, 7153, 8086, 11362, 11818, 12129, 14306, 16172, 17043, 17727, 21459, 22724, 23636, 24258, 28612, 34086, 35454, 42918, 48516, 68172, 70908, 76817, 85836, 92989, 135907, 153634, 185978, 230451, 271814, 278967, 307268, 371956, 407721, 460902, 543628, 557934, 815442, 921804, 1115868, 1630884, 1766791, 3533582, 5300373, 7067164, 10600746, 21201492]

約数ペア:

[(1, 21201492), (2, 10600746), (3, 7067164), (4, 5300373), (6, 3533582), (12, 1766791), (13, 1630884), (19, 1115868), (23, 921804), (26, 815442), (38, 557934), (39, 543628), (46, 460902), (52, 407721), (57, 371956), (69, 307268), (76, 278967), (78, 271814), (92, 230451), (114, 185978), (138, 153634), (156, 135907), (228, 92989), (247, 85836), (276, 76817), (299, 70908), (311, 68172), (437, 48516), (494, 42918), (598, 35454), (622, 34086), (741, 28612), (874, 24258), (897, 23636), (933, 22724), (988, 21459), (1196, 17727), (1244, 17043), (1311, 16172), (1482, 14306), (1748, 12129), (1794, 11818), (1866, 11362), (2622, 8086), (2964, 7153), (3588, 5909), (3732, 5681), (4043, 5244)]