21893300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1531}}^1$

素因数の和:1569

約数の個数: 72

約数和(自身を含む): 55850592

約数和(自身を除く): 33957292

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 100, 110, 130, 143, 220, 260, 275, 286, 325, 550, 572, 650, 715, 1100, 1300, 1430, 1531, 2860, 3062, 3575, 6124, 7150, 7655, 14300, 15310, 16841, 19903, 30620, 33682, 38275, 39806, 67364, 76550, 79612, 84205, 99515, 153100, 168410, 199030, 218933, 336820, 398060, 421025, 437866, 497575, 842050, 875732, 995150, 1094665, 1684100, 1990300, 2189330, 4378660, 5473325, 10946650, 21893300]

約数ペア:

[(1, 21893300), (2, 10946650), (4, 5473325), (5, 4378660), (10, 2189330), (11, 1990300), (13, 1684100), (20, 1094665), (22, 995150), (25, 875732), (26, 842050), (44, 497575), (50, 437866), (52, 421025), (55, 398060), (65, 336820), (100, 218933), (110, 199030), (130, 168410), (143, 153100), (220, 99515), (260, 84205), (275, 79612), (286, 76550), (325, 67364), (550, 39806), (572, 38275), (650, 33682), (715, 30620), (1100, 19903), (1300, 16841), (1430, 15310), (1531, 14300), (2860, 7655), (3062, 7150), (3575, 6124)]