21830354

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 21715246

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 59, 91, 107, 118, 133, 182, 214, 247, 266, 413, 494, 749, 767, 826, 1121, 1391, 1498, 1534, 1729, 2033, 2242, 2782, 3458, 4066, 5369, 6313, 7847, 9737, 10738, 12626, 14231, 14573, 15694, 19474, 26429, 28462, 29146, 44191, 52858, 82069, 88382, 102011, 119947, 164138, 185003, 204022, 239894, 370006, 574483, 839629, 1148966, 1559311, 1679258, 3118622, 10915177, 21830354]

約数ペア:

[(1, 21830354), (2, 10915177), (7, 3118622), (13, 1679258), (14, 1559311), (19, 1148966), (26, 839629), (38, 574483), (59, 370006), (91, 239894), (107, 204022), (118, 185003), (133, 164138), (182, 119947), (214, 102011), (247, 88382), (266, 82069), (413, 52858), (494, 44191), (749, 29146), (767, 28462), (826, 26429), (1121, 19474), (1391, 15694), (1498, 14573), (1534, 14231), (1729, 12626), (2033, 10738), (2242, 9737), (2782, 7847), (3458, 6313), (4066, 5369)]