21231930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^2$

素因数の和:415

約数の個数: 48

約数和(自身を含む): 53917920

約数和(自身を除く): 32685990

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 193, 285, 386, 570, 579, 965, 1158, 1930, 2895, 3667, 5790, 7334, 11001, 18335, 22002, 36670, 37249, 55005, 74498, 110010, 111747, 186245, 223494, 372490, 558735, 707731, 1117470, 1415462, 2123193, 3538655, 4246386, 7077310, 10615965, 21231930]

約数ペア:

[(1, 21231930), (2, 10615965), (3, 7077310), (5, 4246386), (6, 3538655), (10, 2123193), (15, 1415462), (19, 1117470), (30, 707731), (38, 558735), (57, 372490), (95, 223494), (114, 186245), (190, 111747), (193, 110010), (285, 74498), (386, 55005), (570, 37249), (579, 36670), (965, 22002), (1158, 18335), (1930, 11001), (2895, 7334), (3667, 5790)]