21243043575

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{382241}}^1$

素因数の和:382289

約数の個数: 72

約数和(自身を含む): 43132187280

約数和(自身を除く): 21889143705

約数列:

[1, 3, 5, 9, 13, 15, 19, 25, 39, 45, 57, 65, 75, 95, 117, 171, 195, 225, 247, 285, 325, 475, 585, 741, 855, 975, 1235, 1425, 2223, 2925, 3705, 4275, 6175, 11115, 18525, 55575, 382241, 1146723, 1911205, 3440169, 4969133, 5733615, 7262579, 9556025, 14907399, 17200845, 21787737, 24845665, 28668075, 36312895, 44722197, 65363211, 74536995, 86004225, 94413527, 108938685, 124228325, 181564475, 223610985, 283240581, 326816055, 372684975, 472067635, 544693425, 849721743, 1118054925, 1416202905, 1634080275, 2360338175, 4248608715, 7081014525, 21243043575]

約数ペア:

[(1, 21243043575), (3, 7081014525), (5, 4248608715), (9, 2360338175), (13, 1634080275), (15, 1416202905), (19, 1118054925), (25, 849721743), (39, 544693425), (45, 472067635), (57, 372684975), (65, 326816055), (75, 283240581), (95, 223610985), (117, 181564475), (171, 124228325), (195, 108938685), (225, 94413527), (247, 86004225), (285, 74536995), (325, 65363211), (475, 44722197), (585, 36312895), (741, 28668075), (855, 24845665), (975, 21787737), (1235, 17200845), (1425, 14907399), (2223, 9556025), (2925, 7262579), (3705, 5733615), (4275, 4969133), (6175, 3440169), (11115, 1911205), (18525, 1146723), (55575, 382241)]