21561078

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:202

約数の個数: 96

約数和(自身を含む): 56142720

約数和(自身を除く): 34581642

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 49, 59, 66, 77, 98, 113, 118, 147, 154, 177, 226, 231, 294, 339, 354, 413, 462, 539, 649, 678, 791, 826, 1078, 1239, 1243, 1298, 1582, 1617, 1947, 2373, 2478, 2486, 2891, 3234, 3729, 3894, 4543, 4746, 5537, 5782, 6667, 7458, 8673, 8701, 9086, 11074, 13334, 13629, 16611, 17346, 17402, 20001, 26103, 27258, 31801, 33222, 40002, 46669, 52206, 60907, 63602, 73337, 93338, 95403, 121814, 140007, 146674, 182721, 190806, 220011, 280014, 326683, 365442, 440022, 513359, 653366, 980049, 1026718, 1540077, 1960098, 3080154, 3593513, 7187026, 10780539, 21561078]

約数ペア:

[(1, 21561078), (2, 10780539), (3, 7187026), (6, 3593513), (7, 3080154), (11, 1960098), (14, 1540077), (21, 1026718), (22, 980049), (33, 653366), (42, 513359), (49, 440022), (59, 365442), (66, 326683), (77, 280014), (98, 220011), (113, 190806), (118, 182721), (147, 146674), (154, 140007), (177, 121814), (226, 95403), (231, 93338), (294, 73337), (339, 63602), (354, 60907), (413, 52206), (462, 46669), (539, 40002), (649, 33222), (678, 31801), (791, 27258), (826, 26103), (1078, 20001), (1239, 17402), (1243, 17346), (1298, 16611), (1582, 13629), (1617, 13334), (1947, 11074), (2373, 9086), (2478, 8701), (2486, 8673), (2891, 7458), (3234, 6667), (3729, 5782), (3894, 5537), (4543, 4746)]