21632925

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1$

素因数の和:115

約数の個数: 72

約数和(自身を含む): 40818816

約数和(自身を除く): 19185891

約数列:

[1, 3, 5, 15, 17, 19, 25, 47, 51, 57, 75, 85, 95, 141, 235, 255, 285, 323, 361, 425, 475, 705, 799, 893, 969, 1083, 1175, 1275, 1425, 1615, 1805, 2397, 2679, 3525, 3995, 4465, 4845, 5415, 6137, 8075, 9025, 11985, 13395, 15181, 16967, 18411, 19975, 22325, 24225, 27075, 30685, 45543, 50901, 59925, 66975, 75905, 84835, 92055, 153425, 227715, 254505, 288439, 379525, 424175, 460275, 865317, 1138575, 1272525, 1442195, 4326585, 7210975, 21632925]

約数ペア:

[(1, 21632925), (3, 7210975), (5, 4326585), (15, 1442195), (17, 1272525), (19, 1138575), (25, 865317), (47, 460275), (51, 424175), (57, 379525), (75, 288439), (85, 254505), (95, 227715), (141, 153425), (235, 92055), (255, 84835), (285, 75905), (323, 66975), (361, 59925), (425, 50901), (475, 45543), (705, 30685), (799, 27075), (893, 24225), (969, 22325), (1083, 19975), (1175, 18411), (1275, 16967), (1425, 15181), (1615, 13395), (1805, 11985), (2397, 9025), (2679, 8075), (3525, 6137), (3995, 5415), (4465, 4845)]