21137310

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:342

約数の個数: 96

約数和(自身を含む): 59304960

約数和(自身を除く): 38167650

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 47, 57, 90, 94, 95, 114, 141, 171, 190, 235, 263, 282, 285, 342, 423, 470, 526, 570, 705, 789, 846, 855, 893, 1315, 1410, 1578, 1710, 1786, 2115, 2367, 2630, 2679, 3945, 4230, 4465, 4734, 4997, 5358, 7890, 8037, 8930, 9994, 11835, 12361, 13395, 14991, 16074, 23670, 24722, 24985, 26790, 29982, 37083, 40185, 44973, 49970, 61805, 74166, 74955, 80370, 89946, 111249, 123610, 149910, 185415, 222498, 224865, 234859, 370830, 449730, 469718, 556245, 704577, 1112490, 1174295, 1409154, 2113731, 2348590, 3522885, 4227462, 7045770, 10568655, 21137310]

約数ペア:

[(1, 21137310), (2, 10568655), (3, 7045770), (5, 4227462), (6, 3522885), (9, 2348590), (10, 2113731), (15, 1409154), (18, 1174295), (19, 1112490), (30, 704577), (38, 556245), (45, 469718), (47, 449730), (57, 370830), (90, 234859), (94, 224865), (95, 222498), (114, 185415), (141, 149910), (171, 123610), (190, 111249), (235, 89946), (263, 80370), (282, 74955), (285, 74166), (342, 61805), (423, 49970), (470, 44973), (526, 40185), (570, 37083), (705, 29982), (789, 26790), (846, 24985), (855, 24722), (893, 23670), (1315, 16074), (1410, 14991), (1578, 13395), (1710, 12361), (1786, 11835), (2115, 9994), (2367, 8930), (2630, 8037), (2679, 7890), (3945, 5358), (4230, 4997), (4465, 4734)]